Quick opening bearing claw knife, stable and hard D2 steel blade The thickness of the blade reaches 3.8MM, and the materials are sufficient. In the aspect of Claw's not pursuing hardness, we still use materials as thick as 4MM. This is all to give back consumers' support and love for our products over the past eight years. How can you not own a MA SA LONG knife in the pursuit of claw knife. The handle is made of wear-resistant and anti-corrosion G10 material. The overall diameter of the folded knife is 5.6inch (14.2CM);The diameter of the sharp edge is 2.6inch (6.8CM) Net weight of knife: 0.375lb (170g); package knife weight: 0.505lb (229g)