CAMILLUS - COBC4C - Folding Razor Blade(1.25" Surgical Stainless Steel Blade ) - Sping Assisted Razor Knife - Sturdy Pocket Clip This Razor blade Speed Assist features a "No Tools Required" change for a new razor blade. Designed by Blackie Collins SPECIFICATIONS Blade length: 1-1/4” (32 mm) Overall length: 6-3/8” (162 mm) Handle Material: Plastic with Steel Frames