Snap-Off knife bucket is to Cut cardboard, foil, paper, wallcovering and more. Each knife has 1-blade included, with 13-sharp points per blade; plus built-in blade breaker. Retractable blade with 2-piece positive lock. High impact polystyrene. Point of purchase pail of 50 each 9mm snap blade knives in assorted colors,Knives use standard 9mm snap knife blades.