This USMC Knife is as heavy duty as they come. This folding knife features a sub-hilt styled grip stainless steel handle and is equipped with a frame lock, pocket clip and a carbide tip glass breaker. The blade is a massive 4", 4mm thick 440C stainless steel. Designed for heavy duty use, this knifes sleek styling makes it an excellent option for your every day carry. Measures 5.75" closed.