www.ishn.com/articles/88616-self-retracting-knife
Self-retracting knife
December 8, 2010

OLFA offers high-quality, safety-focused cutting solutions with a commitment focused on accident prevention. The SK-8 cutter features a spring-loaded blade that automatically retracts the instant it loses contact with the material being cut, even when the user’s thumb keeps the blade-slide engaged. OLFA, www.olfa.com, (800) 962-OLFA.