BAZIC Heavy Duty Self Loading Cutter w/ Grip + 2 Replacement BladesRubberized handle for comfort. With snap-off blades for fresh, sharp cutting point. Furnished with TWO 18 mm replacement Blades with seven snap-off points each. Loaded into the self-load handle. Steel top for safety guide and steel track for strength and durability. Case Pack : 12 / 144.