Stanley-Interlock-Craft-Knife-Stanley-0-10-590-p-The-interlock-craft-knife-has-a-strong-metal-body-and-is-supplied-with-3-blades-in-the-integral-holder-Blade-changes-are-quick-and-easy-via-the-easy-to-use-notched-wheel-The-knife-also-has-the-Interlock-system-that-allows-efficient-lateral-blade-locking-p-Stanley-0-10-590-Interlock-Craft-Knife