NT"s heavy duty snap off blade knife with professional quality aluminum diecast anti-slip cushioned grip for supreme comfort and control. Perfect for extra heavy duty jobs with excellent handling and performance. Holder is made of 100% post consumer recycled material and coated with electrical-acrylic metals for water-resistance. Ratchet auto-lock slider will hold blade secure for extra safety and maximum cutting efficiency. This classic snap off utility knife has a high quality stainless steel sliding track which allows the blade to glide in and out smoothly. End cap also functions as blade snapper. The blade used in this snap off knife is made of high quality carbon tool steel and produced through multiple stages of precise process to obtain the ultimate sharpness and optimum edge-retention. Includes one carbon steel blade. Made in Japan.