Features Specifications:Sell F Clamps, G Clamps  G-clampsBody made of cast iron, malleable steel, aluminum die casting, drop forged carbon steel or Metal pressed, surface painted or powder coated Shaft have flute cold rolled or machined, made of steel bar low carbon steel or mild carbon steel hardened and tempered, special type at hex head for tool easily tightened to max strength; surface zinc plated, chrome plated or black finished Have quick release functionF clampsBody made of Cast iron, aluminum die casting, Drop forged carbon steel; surface painted, powder coated or zinc plated Bar have flute cold rolled made of low carbon steel or mild carbon steel hardened and tempered, special type at 2 depressed flute for much strong and durable lifetime guarantee, surface zinc plated, chrome plated or nickel plated Handle grip made of Hardwood, Plastic or soft PVC/TPR designed ergonomic for comfortable usage.