Made with stainless steel and high impact polymer components. The smooth slider mechanism features an audible "click-stop" and is self locking for security. Blade sections snap-off providing the user with fresh, sharp cutting points. Removable blade snapper included in cap of knife. High visibility spare blade holder designed for safety. Knife Type: Snap-Off Blade Knife; Blade Type: Retractable; Snap-Off; Blade Material: Steel; Handle Material: Plastic.