Retracting Blade for Added Safety The OLFA SK-4 Semi-Automatic Self-Retracting Safety Knife is ideal for those looking for precision cutting with superior safety features. The blade is spring-activated and retracts when lifted from the cutting surface, minimizing accidents and unwanted cuts. The powerful stainless-steel spring ensures blade tension on every cut. The durable ABS body has a textured design for a comfortable, non-slip grip. A sturdy stainless-steel support channel runs the length of the handle to support the blade for heavy-duty cutting. For carrying convenience, a lanyard hole for tethering is included. Cutting Depth: 0. 75" / 19mm.

• Spring-activated blade retracts when lifted from cutting surface
• Powerful stainless-steel return spring maintains blade tension
• Textured design provides a comfortable, non-slip grip
• Stainless-steel channel secures blade during use
• Exclusive Dual-Edge Safety Blade with unmatched sharpness and edge retention
• Flip blade for right- or left-handed use