Revolutionary spring-retractable safety cutter features right or left handed operation, powerful return spring, stainless steel blade channel and ergonomic grip. Eliminates injuries because blade remains extended while cutting and automatically retracts the instant the blade loses contact with the cutting surface.
Guaranteed forever. 

Base Price: $7.98

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SKB2 - Sharp Point Replacement Blades For Olfa SK4 & SK9 Safety Cutters. 50/pack
Safety knife blades feature OLFA's multi-step production process for superior sharpness and blade retention. Each blade features 2 cutting edges. 50 pack contains 100 cutting edges (Sharp Point).

Base Price: $23.98

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RSKB2 - Replacement Blades For Olfa SK4, SK6 & SK9 Safety Cutters. 50/pack
Rounded-tip safety blade helps reduce utility knife accidents among employees. This blade features OLFA's multi-step production process for superior sharpness and blade retention. Each blade features 2 cutting edges. 50 pack contains 100 cutting edges.

Base Price: $22.98

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HOB-2/5 - Hook Safety Blade, 5-pack (Use with SK4 & SK9). 5/pack
Safety knife hook replacement blade helps reduce injuries in the workplace and protect your cutting surface. Great for cutting shrink-wrap and nylon straps. Blades manufactured using OLFA multi-step production process for superior sharpness and blade retention. For Retractable Safety Knives (SK-4 & SK-9)). Each blade features 2 cutting edges. 5 blades per pack.

Base Price: $6.79