lightweight design fits into tight areas

Slip-on style cuff

With its milled measuring surface and V-groove

Adjustable nose clip helps provide a custom fit and secure seal

The ratcheting-lock system secures the blade with the simple turn of the dial

OLFA 18mm LBB Ultra-Sharp Black Snap Blade - 100 Pack Caulk lightweight design fits into tightUp to 25% sharper than standard blades Premium Japanese tool steel Eight (8) segments per blade Fits most 18mm snap knives Get a Competitive Edge OLFA 18mm Heavy Duty Ultra Sharp Black Snap Off Blades are the solution for precision cutting. Premium Japanese carbon tool steel provides durability. Dual honed black blades are up to 25% sharper than standard silver blades. Each blade offers eight (8) segments per blade for volumes of accurate cutting