OLFA 18 mm heavy-duty ultra sharp black snap-off blades are the solution for tough projects when you need your utility knife to hold its own. Double-honed carbon steel provides durability and a resilient sharp edge to get you through substantial projects from beginning to end. Extreme sharpness, 25% greater than that of OLFA silver blades, will give you the upper hand against asphalt shingles, rubber, carpeting, vinyl, or any medium-weight building material you need to sink your utility knife blade into to get the job done. These extra sharp blades have eight segments each, designed to snap off when you need a new blade edge. Face your remodeling or construction tasks with simplicity and durability.
Expertly honed carbon tools steel delivers durability with a lasting sharp edge for all your projects
Each blade has eight segments designed to snap off when you need a new blade edge, power through asphalt shingles, rubber, carpeting, vinyl, and other building materials
Made from high quality Japanese grade carbon tool steel
Unparalleled sharpness and superior edge retention
Save time and money with 8 renewable blade edges
