Retractable Safety Cutter KN40. The latest super safety cutter featuring a blade that retracts when it loses contact with material being cut. Primarily for use in warehousing distribution or construction environments where knives are often used and safety is a priority. Pack contains 10 replacement blades (KN91). Auto retractable blade. which disengages when it loses contact with the cutting surface. Quick blade change system. Designed for heavy everyday use. Accommodates use with a lanyard
