Designed for long-lasting use, the 18mm Standard Snap-Off Knife features a stainless steel construction and high-impact polymer components. Integrated, smooth slider mechanism delivers effortless operation and audible "click" feedback with a self-locking mechanism for added safety. Quick-Point Snap-Off Blades feature easy snap-off blade sections. Simply use the integrated blade snapper located in the back of the knife and snap off the dull blade section to reveal a fresh sharp cutting point. Each stainless steel blade features eight cutting sections for optimum blade life. High-visibility spare blade holder securely and safely stores extra blades in the handle and provides an added level of safety when changing blades. This compact knife can easily be stored in a pocket, tool box, desk drawer or hung from the hang hole. Handle is 6-3/4" long. Knife uses 18mm Quick-Point Blades (11-301).