Olfa SK-4 Self-Retracting Safety Knife
- Spring-activated blade self-retracts for safe storage and transportation
- Symmetrically shaped handle offers comfortable grip for all users
- No-tool blade change allows quick and simple blade renewal
- Ergonomic handle is slip-resistant for safe, accurate cuts
- Perfect for cutting shrink-wrap, plastic, film and more
- Spring-activated blade self-retracts for safe storage and transportation
- Symmetrically shaped handle offers comfortable grip for all users
- No-tool blade change allows quick and simple blade renewal
- Ergonomic handle is slip-resistant for safe, accurate cuts
- Perfect for cutting shrink-wrap, plastic, film and more

Self-retracting safety knife features a revolutionary, heavy-duty, spring-activated blade that automatically retracts the instant it loses contact with the cutting surface, reducing workplace injuries. It includes a slip-resistant ergonomic handle and stainless steel blade channel that holds the blade tight. Cutting depth is 3/4". Knife is ideal for cutting corrugate, shrink-wrap, plastic strapping, rubber, leather, flashing and more. Self-retracting safety knife is for right or left handed use. It uses Olfa SKB (9613) blades (sold separately).
Self-retracting safety knife features a revolutionary, heavy-duty, spring-activated blade that automatically retracts the instant it loses contact with the cutting surface, reducing workplace injuries. It includes a slip-resistant ergonomic handle and stainless steel blade channel that holds the blade tight. Cutting depth is 3/4". Knife is ideal for cutting corrugate, shrink-wrap, plastic strapping, rubber, leather, flashing and more. Self-retracting safety knife is for right or left handed use. It uses Olfa SKB (9613) blades (sold separately).
- Silver
- Yellow