---
product_id: 815164547
title: "12 Inch Combination Square Tool, 300mm Stainless Steel Adjustable Ruler with Bubble Level, 45 and 90 Degree Angle Try Square Measuring Tool for Woodworking and Carpentry, Black"
brand: "jinnanmeas"
price: "16859CFA"
currency: XOF
in_stock: true
reviews_count: 7
category: "Jinnanmeas"
url: https://www.desertcart.sn/products/815164547-12-inch-combination-square-tool-300mm-stainless-steel-adjustable-ruler
store_origin: SN
region: Senegal
---

# 300mm dual-scale ruler precise 45° & 90° angles rust-resistant stainless steel 12 Inch Combination Square Tool, 300mm Stainless Steel Adjustable Ruler with Bubble Level, 45 and 90 Degree Angle Try Square Measuring Tool for Woodworking and Carpentry, Black

**Brand:** jinnanmeas
**Price:** 16859CFA
**Availability:** ✅ In Stock

## Summary

> 📐 Elevate your craft—measure, mark, and master every angle like a pro!

## Quick Answers

- **What is this?** 12 Inch Combination Square Tool, 300mm Stainless Steel Adjustable Ruler with Bubble Level, 45 and 90 Degree Angle Try Square Measuring Tool for Woodworking and Carpentry, Black by jinnanmeas
- **How much does it cost?** 16859CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/815164547-12-inch-combination-square-tool-300mm-stainless-steel-adjustable-ruler)

## Best For

- jinnanmeas enthusiasts

## Why This Product

- Trusted jinnanmeas brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual-Scale Mastery:** Metric and imperial scales with high-contrast markings ensure quick, fade-proof measurements every time.
- • **Level Up Instantly:** Integrated bubble level and smooth brass locking knob make leveling and adjustments effortless and exact.
- • **Built to Brave the Workshop:** Heavy-duty stainless steel blade resists rust, bending, and warping—your lifelong project partner.
- • **Versatility Meets Efficiency:** From woodworking to home décor, this 3-in-1 tool handles depth measuring, scribing, and framing with ease.
- • **Precision that Commands Respect:** Lock in flawless 45° & 90° angles with ±0.1% accuracy for pro-level craftsmanship.

## Overview

The JINNANMEAS 12-inch Combination Square is a professional-grade, stainless steel measuring tool engineered for precision with ±0.1% accuracy. Featuring dual metric and imperial scales, a built-in bubble level, and secure brass locking hardware, it delivers reliable 45° and 90° angle measurements. Designed for durability and versatility, it’s perfect for woodworking, carpentry, and even home décor projects, making it an essential addition to any serious craftsman’s toolbox.

## Description

PROFESSIONAL GRADE JINNANMEAS 12-INCH COMBINATION SQUARE UPGRADE YOUR CRAFTSMANSHIP WITH PRECISION Accuracy is the soul of woodworking and engineering. The JINNANMEAS 12-inch (300mm) combination square is meticulously engineered to deliver reliable 45-degree and 90-degree measurements. With a professional-grade measurement accuracy of +/- 0.1 percent, it provides the ultimate confidence needed for high-stakes projects and intricate DIY layouts. BUILT TO LAST: PREMIUM STAINLESS STEEL CONSTRUCTION Stop wasting money on flimsy tools. Our ruler blade is forged from high-quality stainless steel, ensuring it remains rust-proof and rigid under heavy workshop use. The high-contrast metric and imperial markings are built to last, preventing fading over time even in high-friction environments. VERSATILE 3-IN-1 DESIGN FOR MAXIMUM EFFICIENCY Maximize your productivity with integrated features: INTEGRATED BUBBLE LEVEL: Ensures your surfaces are perfectly horizontal or vertical at a single glance. ADJUSTABLE BRASS KNOBS: High-quality brass adjustment screws allow for smooth positioning and a rock-solid lock along the ruler’s length. ERGONOMIC GRIP: The heavy-duty black base is designed for a comfortable, non-slip grip, giving you total control during scribing or depth measuring. AN ESSENTIAL TOOL FOR PROS AND HOBBYISTS Whether you are an architect, professional carpenter, or a weekend DIY enthusiast, this adjustable square is your go-to tool for checking right angles, measuring depths, and marking parallel lines. Its compact design fits perfectly into any standard toolbox, making it an indispensable part of your measuring arsenal. PRODUCT SPECIFICATIONS: Material: Stainless Steel Blade, Durable Base, Brass Hardware Measurement Range: 0-300mm / 0-12 Inches Accuracy: +/- 0.1% Functions: 90 Degree Square, 45 Degree Miter, Depth Gauge, Spirit Level

Review: Works great - Works great,
Review: A DIY Secret Weapon for Perfectly Straight, Professionally Hung Wall Art - Combination squares are usually marketed toward woodworking, but this has become one of my favorite tools for home decorating—especially when it comes to hanging pictures and creating gallery walls. To use it, simply loosen the bubble level so it can slide along the ruler, position it where needed, and tighten it back up. Place it against the wall, check that it’s perfectly level, and then use the removable scribe (which unscrews from the base) to make precise marks for where your frame should sit. This completely takes the guesswork out of hanging wall art. No more crooked frames or uneven spacing. I’ve also found it incredibly helpful for lining up multiple pieces and keeping spacing consistent, which gives everything a clean, polished, professional look. It’s straightforward, versatile, and one of those tools you’ll keep reaching for once you realize how useful it really is—especially at this price point. Pros: • Extremely precise for leveling and marking • Makes hanging pictures quick and foolproof • Great for spacing and aligning gallery walls • Multi-functional beyond just décor projects • Easy to adjust and use

## Features

- [PRECISE 45° & 90° ANGLES]: Engineered for reliable accuracy, this combination square firmly locks into exact 45-degree and 90-degree angles. Ideal for checking squareness, marking perfect joints, and ensuring flawless alignment in all your woodworking projects.
- [DURABLE STAINLESS STEEL BLADE]: Features a rust-resistant, heavy-duty stainless steel ruler built to withstand tough workshop environments. The rigid metal blade resists bending and warping, providing long-lasting durability for daily professional or DIY use.
- [EASY-TO-READ DUAL SCALE]: Equipped with both metric (300mm) and imperial (12-inch) measurements. The clear, high-contrast markings are designed to resist wear and fading over time, allowing for quick and accurate readings even in dusty workspaces.
- [BUILT-IN BUBBLE LEVEL & SECURE LOCK]: The sturdy black base includes an integrated bubble level for quick leveling and plumbing tasks. Featuring a high-quality brass nut that ensures smooth sliding adjustments and tightly locks the blade in place without slipping.
- [VERSATILE MEASURING TOOL]: More than just a standard ruler, this adjustable try square is an essential layout tool. Perfect for depth measuring, scribing straight lines, framing, and cabinet making. A highly practical addition to the toolbox of any carpenter, contractor, or metalworker.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0G8HX6CM4 |
| Best Sellers Rank | #67,882 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #73 in Carpentry Squares |
| Brand Name | JINNANMEAS |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (25) |
| Graduation Range | 1/32 Inches |
| Item Dimensions L x W | 13"L x 3.5"W |
| Item Thickness | 0.25 Inches |
| Manufacturer | JINNANMEAS |
| Material Type | Stainless Steel |
| Part Number | 300mm-square |
| Style Name | Combination Square |

## Product Details

- **Brand:** JINNANMEAS
- **Color:** Black
- **Graduation Range:** 1/32 Inches
- **Material:** Stainless Steel
- **Style:** Combination Square

## Images

![12 Inch Combination Square Tool, 300mm Stainless Steel Adjustable Ruler with Bubble Level, 45 and 90 Degree Angle Try Square Measuring Tool for Woodworking and Carpentry, Black - Image 1](https://m.media-amazon.com/images/I/91au15-Zr2L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works great
*by K***R on March 30, 2026*

Works great,

### ⭐⭐⭐⭐⭐ A DIY Secret Weapon for Perfectly Straight, Professionally Hung Wall Art
*by D***E on March 29, 2026*

Combination squares are usually marketed toward woodworking, but this has become one of my favorite tools for home decorating—especially when it comes to hanging pictures and creating gallery walls. To use it, simply loosen the bubble level so it can slide along the ruler, position it where needed, and tighten it back up. Place it against the wall, check that it’s perfectly level, and then use the removable scribe (which unscrews from the base) to make precise marks for where your frame should sit. This completely takes the guesswork out of hanging wall art. No more crooked frames or uneven spacing. I’ve also found it incredibly helpful for lining up multiple pieces and keeping spacing consistent, which gives everything a clean, polished, professional look. It’s straightforward, versatile, and one of those tools you’ll keep reaching for once you realize how useful it really is—especially at this price point. Pros: • Extremely precise for leveling and marking • Makes hanging pictures quick and foolproof • Great for spacing and aligning gallery walls • Multi-functional beyond just décor projects • Easy to adjust and use

### ⭐⭐⭐⭐ Affordable 12" Combination Square Tool--Slide Mechanism is a Little Stiff
*by T***S on April 10, 2026*

I’m no carpenter, but I do know a good quality solid tool when I see one. I got this JINNANMEAS 300mm/12-inch combination square tool to replace an old rusted hand me down I’ve been using for occasional DIY projects around my home. What I most like about this is it's made of durable stainless-steel with etched high contrast metric and imperial markings. The markings are crisp, easy-to-read and are not going to fade out over time. I’ve used this square for marking lines and leveling floating shelves. It’s not too heavy and feels steady and comfortable while using it on solid ground, but working overhead may offer some challenges getting the mechanism to slide while using one hand. It does lock firmly with a simple twist or two, which makes repeat measurements easy and consistent. What Could Be Better The sliding mechanism does have resistance while gliding across the blade--depending on the tightness of the brass nut. Just note, it may be difficult to adjust with only one hand if working overhead. The mechanism locks down tight once you set it--ensuring accurate and repeat measurements every time. I’ve found the 45 and 90-degree angles to be accurate and consistent with my old square. The built-in bubble level is always a convenient, but necessary feature to ensure everything is level as you go along. Final Thoughts Overall, I think this is a “must have” essential tool for any woodworking, carpentry, or general DIY projects. This combination square has proved to be a reliable, well built tool that delivers accuracy without the high price tag. It looks and appears durable enough to last for many years. I am deducting one star, only because I think the sliding mechanism could be better.

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-05-28*