The plier body is made from 55CN alloy steel, 25% longer lifetime than normal steel material. 
The material of handle is TPE 2-color injection, which is up to PAHS free standard of EU.
Works will under high temperture and low temperture up to -20°c --70°. Ergonomic designed handle, good looking and comfortable.
The blade is high frequency trested. The hardness is up to HRC58°-62°.The hardness of body is up to HRC40°-50°.