The OLFA 18mm BN-L Ratchet-Lock Basic Utility Knife is the classic necessity made to last. This knife features an ergonomic, heavy-duty ABS plastic handle for comfortable use. A sleek stainless-steel blade channel with a ratcheting lock keeps your snap blade exactly where you want it, even when working in delicate or tight areas. Add the convenience of replaceable OLFA high-quality Japanese steel blades, designed to snap off when you need a sharper edge. Each tough, Silver Snap Blade offers eight cutting segments for volumes of cutting. When an edge gets dull, simple snap for a fresh edge. Blade changes are simple without the need for any additional tools. Accepts most OLFA 18mm blades including: L-SOL Solid Silver Blades, LWB Serrated Edge Blades, LBB Ultra-Sharp Black Blades, and LFB Ultra-Sharp Black Speed Blades.