Quick Change Retractable Utility Knife has a one piece stainless steel titanium-coated nose which eliminates spreading, resists wear and is extremely durable. Quick blade release allows rotation or changing of blade without opening handle. No tools are needed to open the utility knife to access the blades. The LENOx Gold 20353-SSRK1 Quick Change Retractable Utility Knife stores up to five blades in the internal blade storage. Each utility knife comes with three LENOx Gold Titanium Edge Utility Blades - the longest lasting utility blades.