STANLEY Proto 11-921A Heavy Duty Utility Blades with Dispenser, 100-Pack

Proto PRO10-099 Proto Classic 99 Utility Knife 6 In L, Gray Straight, High Carbo

Proto PRO10-299 Proto 5-1/2-Inch 299 Interlock Fixed Blade Utility Knife

Proto 10-788 InstantChange Retractable Utility Knife, 6-5/8", with 3 Blades

Proto B323252 Proto Shepfoot Replacement Heavy Cutting Blade for 10-049

Proto B323434 Proto Hand Tools High Visibility Utility Knife Retractable Blade

Proto B323216 Proto Hand Tools Retractable Blade Utility Knife

Proto PRO10-989 Proto Contractor Grade Swivel-Lock Retractable Utility Knife