This robust set of three 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 shoeClamp capacity - 25, 50, 76mmSpecifications:Capacity: 25, 50, 76mmThroat depth: 20, 25, 50mmClamp pressure: 306kg (25, 50mm) 408kg Contents:1 x Heavy Duty G-Clamp Set (3 Piece)