Olfa RSKB-2 10-pack 9615 Replacement Blades Safety knife replacement blade features rounded corners to help reduce product damage and injuries in the workplace. Made of high-quality carbon tool steel and designed for unparalleled sharpness and superior edge retention. For Retractable Safety Knife (SK-4 and SK-6) and other models Each blade features 2 cutting edges. 10 blades per pack. Formerly known as: RSKB-2, 9615, 9616, 091511600513 You can't be too careful when working with knives. That's why these Olfa safety blades have rounded corners. The blunt tip will reduce the risk of puncture when changing out the blades. Good for commercial, industrial, retail and distribution facilities. Cuts corrugated and packaging materials, shrink wrap, plastic, film, strapping and more. Standard trapezoid blade design |