This robust set of four G-Clamps have a malleable cast iron frame and a powder coated finish for durability. The swivel shoe helps clamp on uneven surfaces. There is a silver plated square thread screw, tommy bar handle and swivel shoe. Features & Benefits:Malleable cast iron frame with powder coated finish for durabilitySwivel shoe helps clamp on uneven surfacesSilver plated square thread screw, tommy bar handle and swivel shoeTwo pairs of clamp capacity - 76, 100mmSpecifications:Capacity: 76, 100mmThroat depth: 50, 55mmClamp pressure: 408kg, 510kg Contents:1 x Heavy Duty G-Clamp Set (4 Piece)