Specifications: High efficiency, high wear resistance, than the traditional welding blade, alloy blade processing efficiency increased more than 4 times. High grip strength, impact resistance and strong, clear speed advantage in cutting off a large margin and processing. To maintain tight tolerances unmatched performance. User clamping and convenient way to replace, only a wrench to complete the replacement of the knife blade and pad. Type: Tool Holder Material: Tungsten Steel Wrench: T5 Features: Wear Resistance, Impact Resistance, Durable Holder Size: 16mm/0.63" (Approx.) Notes: Open the tool case carefully. To avoid injury do not touch shape edge. Use safely precaution such as guards and eye protection before using the tool. Exchange a tool when it occur problems such as a noise,vibration and a flame. Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Tool Holder 4 x Inserts 1 x Wrench