ITEM NAME:Brass G Ground Welding Earth Clamp Full Cooper 300A 39mm Description: - Pure Copper Design: This welder clamp is made of total pure copper, offer it excellent clamping and better electrical conductivity. - Can be apply to stick welding, submerged arc welding, gas metal arc welding and gas tungsten arc welding. - Heavy Duty Arc: 600A Rating C-style ground clamp is a premium quality for heavy duty arc. - The C-Clamp with large contact area features a copper design to resist welding splatter and is perfect for welding set-up chores as well. - Max Jaw Opening: 1.53 Inches / 3.9 cm. Specification: - Material: brass - Maximum effective spacing 39mm - Allowable conductivity value 300A Package Included: 1 piece G ground welding earth clamp.Allowable conductivity value 300A. - Maximum effective spacing 39mm. 1 piece G ground welding earth clamp. - Material: brass.