The Precision Ratchet-Lock Knife is larger than other 9mm precision cutters, providing more leverage for tougher cutting projects. Made from durable ABS plastic, the Precision Ratchet-Lock Knife handle features a wheel locking mechanism for unlimited positions when locking the blade in place. A stainless steel blade channel firmly secures the blade while cutting. Preloaded with a 9mm AB Precision Silver Snap-Off Blade. Also fits all AB, ABB, and ABS blades. This knife will deliver precision cuts through vinyl, window film, wallpaper, and more while also standing up to packaging, shrink wrap, caulking, foam board, and other materials.