SHUD45M | Stronghand Utility Clamp (Cap. 115mm Rail Size: 16 x 8mm) LIGHT & MEDIUM DUTY All Strong Hand Tools Utility Clamps are made of high quality heat treated steel and nickel / chrome plated for strength and durability. Capacity: 114mm Throat Depth: 83mm Clamping Pressure: 227kg Rail Size: 16 x 8kg Tapped Hole: M8 Weight: 0.4kg