The standard size of a hook blade is 51mm long. An "extra wide" hook blade is 55mm long to be able to cut extra thick carpets. Read Sollex tips!
If flexibility is what you need, the Classic 99 retractable utility knife delivers. It has a three-position retractable blade made of carbon alloy steel that can handle all types of professional and home improvement jobs.
Stanley 6 in. Classic 99 Retractable Utility Knife, 10-099
Stanley 10-780 Fat Max Fixed Utility Knife, 7
STANLEY® FATMAX® Hook Knife
These concave hook blades fit any utility knife and will score the toughest LVT on the market! Sold 10 blades per pack.
Better Tools 20304 German Concave LVT Hook Blades (10 Pack)
Stanley Retractable Utility Knife STHT10479 - The Home Depot
STANLEY® 10-788 Blade Change Instructions
This Stanley Quick Change Retractable Knife 2-pack is ideal for the DIYer for most common cutting applications. The blade has an integrated string
Quick Change Retractable Utility Knife (2-pack)
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The 17 Best Utility Knives and Box Cutters in 2024
High-quality hook blade which fit ALL STANLEY utility knives