Does anyone know what kind of steel this is (I'll probably get one regardless at this price point, but I'm curious)?

Per the Master Cutlery (MTech USA) website, the blade steel on the MT-673 is 3Cr13.

Does anyone know if the SMALL TEK LOK Adapter works on this kydex sheath? I wanna carry on my belt instead of around my neck.

I was thinking about making a custom kydex piece myself. Just a basic loop and drilled to match the sheath.

Of this brand (or others), which would be most invisible under women's fitted clothes yet still be a decent length?

Go to amazon.com and look under 'neck knives'. Huge variety here. You may have to try a couple, then look in a mirror, or have a friend see if they can see if you're carrying a knife. A slightly built woman with snug fitted clothes is going to need a knife with analmost flat handle - they do make them. Best of luck here!

how's is the retention? is it secure if wore as a neck knife and hung upside down from the sheath?

012019...received the knife. HOWEVER, the kydex sheath would not lock the knife. The sheath was poorly made. Had to request another knife.

Mt 673 Fixed Stainless Steel Blade 5 Black

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Description

🖤 Carry Confidence, Cut with Precision.

SECURE KYDEX SHEATH - Custom-molded sheath offers stealth retention with a reassuring click, perfect for everyday carry.
ERGONOMIC G 10 HANDLE - Full tang fiberglass handle with raised palm support ensures comfort and secure grip during use.
COMPACT TACTICAL EDGE - 5-inch stainless steel blade with a sharp compound bevel for precise cutting and piercing.
STEALTHY STONEWASH FINISH - Black stonewash blade reduces glare and adds rugged style for the modern professional.
LIGHTWEIGHT AMBIDEXTROUS - At just 0.18 lbs and ambidextrous design, it’s the ideal neck knife for on-the-go defense and utility.

The MTECH USA MT-673 is a sleek 5-inch fixed blade neck knife featuring a durable stainless steel blade with a black stonewash finish. Its ergonomic G10 full tang handle offers comfort and control, while the included Kydex sheath provides secure, stealthy retention. Lightweight and ambidextrous, this tactical knife is designed for professionals seeking a reliable, stylish everyday carry tool with defensive capabilities.

Specifications

ASIN	B00CBRV5JA
Age Range (Description)	Adult
Age Range Description	Adult
Best Sellers Rank	#353,463 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #642 in Tactical Knives
Blade Edge	Compound Bevel
Blade Length	5 Inches
Blade Material	Stainless Steel
Blade Shape	Straight Back
Blade Type	Fixed
Brand	MTECH USA
Brand Name	MTECH USA
Color	Black
Customer Package Type	Retail Box with Tamper-Evident Seal and Protective Packaging
Customer Reviews	4.5 out of 5 stars 2,546 Reviews
Global Trade Identification Number	00805319070863
Hand Orientation	Ambidextrous
Handle Material	Fiberglass
Included Components	Knife
Is Product Cordless	Yes
Item Length	5 Inches
Item Shape	Linear
Item Type Name	Knife
Item Weight	2.89 ounces
Manufacturer	Master Cutlery Inc.
Model Name	MT-673
Model Number	MT-673
Orientation	Vertical
Part Number	MT-673
Power Source	Manual
Product Care Instructions	Hand Wash Only
Recommended Uses For Product	Tactical or survival situations, Outdoor activities, Self-defense, Utility tasks
Reusability	Reusable
Size	5"
Special Feature	Stainless Steel Blade
Special Features	Stainless Steel Blade
Style	Modern
Theme	Tactical
UPC	805319070863 045918896994 657439641115
Unit Count	1.0 Count
Warranty Description	Limited

Reviews

G**N

10.10.2018

B**A

16.04.2025

J**.

25.12.2016

W**E

1.08.2018

T**9

18.05.2019

S**M

20.04.2016

A**S

18.12.2023

M**Y

7.06.2019

S**E

4.12.2021

N**E

31.10.2025

S**I

31.03.2022

M**3

23.05.2024

M**E

24.03.2019

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MT-673 Fixed Stainless Steel Blade,5",Black

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Description

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