Self-retracting Safety Knife, Spring Activated

Sk-4, self retracting safety knife, spring activated, self-retracting blade, high impact abs handle, textured blade slide with thumb stop for precise control, heavy gauge stainless steel channel provides secure blade hold, lanyard hole for tethering, pre-loaded with skb-2 safety blade, accepts skb-2, skb-2s, rskb & hob safety blades, cutting depth up to.75" 19 mm.