About This Specification: 500Amp current carrying capacity. The maximum clamping distance is 44mm/1.73inches. Design: The earth clamp adopts the design of G type with great clamping. Standard thread and serrated non-slip surface, strong stability and not easy to fall off, meeting your daily work needs. Brass Material: Welding Knight welding ground clamp is made of premium Brass material with great conductivity, and oxidation resistance for long service life. Easy to operate: There is a force lever on the top of the screw, you can easily rotate the screw, which can be adjusted to different thicknesses and clamped on any flat surface you want, simply and conveniently. Applications: Suitable for Tig welding, Mig welding, MMA welding, submerged Arc welding, gas metal Arc welding, gas tungsten Arc welding, etc. Overview Material : Brass Brand : Welding Knight Color : Golden Style : Modern Tensile Strength : 500 Amps Manufacturer : Weldingknight Co., Ltd