will these work with a Milwaukee Fastback Utility Knife

should work with most utility knives

What size are these blades? product description shows the lengtht as 5.7 inches which doesn't seem right. It looks like it should be around 3 inches

I know this question is old, but I thought since I was wondering, perhaps others still do as well. The blade measures approx. 2.25”... and by doing a little digging it turns out that is equal “approx.” 5.7cm

Are these blades rust resistant? I keep 3 or 4 knives at strategic places in my extremely humid garage. When I need one, they frequently are rusted.

Mine arrived (one pack of three) with corrosion on them, The card that the blades was on had obviously gotten wet enough to fall apart though. I think they come coated with some kind of oil, as they tend to stick together. But they will definitely rust with enough exposure to moisture. I am sure this is the same as with any carbon steel based blade.

How many blades are in each of the five packs?

The listed pack size is the actual blade count. So 5pk is 5 blades, 50pack is 50 blades.

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LENOX Utility Knife Blades, Titanium Edge, 5-Pack (20350GOLD5C)

Product ID: 3809596

Details

Blade Material
Metal Titanium
Brand
Lenox
Color
Multi
Handle Material
Alloy Steel
Item Weight
18.14 g
Manufacturer
LENOX

📏4-notch extendable blade design

⚙️Titanium-coated high-speed steel edge

🛡️Shatterproof bi-metal construction

Description

🔪 Cut sharper, last longer, and stay ahead of the pack!

UNIVERSAL FIT - Compatible with most standard utility knives—upgrade your toolkit instantly.
FLEX WITHOUT FEAR - Bi-metal construction bends and flexes without breaking, tackling tough materials effortlessly.
PRECISION DEEP CUTS - 4-notch blade extension lets you reach deeper for those demanding projects.
UNMATCHED DURABILITY - Titanium coating ensures blades stay sharper, longer—cut with confidence every time.
VERSATILE CUTTING POWER - Perfect for drywall, insulation, flooring, roofing, and more—your all-in-one cutting solution.

The LENOX 5-Pack 1.5-in Carbon Steel Utility Blades feature titanium-coated high-speed steel edges for extended sharpness, a shatterproof bi-metal design for flexibility and durability, and a 4-notch system for deeper cuts. Compatible with most standard utility knives, these blades excel at cutting tough materials like drywall, insulation, flooring, and roofing, making them an essential upgrade for professionals and DIY enthusiasts alike.

Specifications

ASIN	B0009ENCUW
Best Sellers Rank	#171,152 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #664 in Utility Knives
Blade Material	Metal, Titanium
Brand	Lenox
Brand Name	Lenox
Color	Multi
Customer Reviews	4.7 out of 5 stars 2,300 Reviews
Global Trade Identification Number	00082472203509
Handle Material	Alloy Steel
Included Components	LENOX EDGE GOLD5C BIMETAL UTILITY 5/PK
Item Type Name	LENOX EDGE GOLD5C BIMETAL UTILITY 5/PK
Item Weight	18.14 g
Manufacturer	LENOX
Manufacturer Part Number	20350GOLD5C
Material	Blend
Material Type	Blend
Model Number	20350GOLD5C
Product Style	Classic
UPC	082472203509 796084358556 094712751886 788809832854
Unit Count	5 Count

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