Glossary · Utility Knives
Edge Retention / HRC
Edge retention is how long a blade stays sharp under use; HRC (Rockwell hardness) is one input to it. Harder steels hold an edge longer but resist sharpening and can chip; softer steels dull faster but are quick to bring back on a stone.
Related terms
Reader favorites
The short list — full rankings live on the best-gear page.
OLIGHT Warrior Ultra Rechargeable Tactical Flashlight Navy Blue
$97.99
Check price- Check price
HOTOR Travel Backpack (TSA-friendly carry-on)
LEATHERMAN Signal 19-in-1 Multi-Tool
$149.95
Check price
Straight disclosure —some links on this page are affiliate links. If you buy through them we may earn a commission from the retailer or network (such as CJ, Awin, Impact, or eBay Partner Network), at no extra cost to you. It never changes the price you pay, and it never changes a verdict.
66 guides published
57 products vetted
Featured merch
Original graphics, made to order. Gear-room aesthetics, no logos shouting.
