The Stanley Carbide utility Blade 11-800L is made out of steel with a high degree of flexibility to help prevent breakage. Laser-deposited carbide lines the edge to deliver a long-lasting blade for the job site or home project. This utility knife blade is designed to stay sharp five times longer than similar products so t has to be changed less often. It comes in a convenient 50 pack making it a good option for the home tool box or workplace.