SHUD65M | Stronghand Utility Clamp (Cap. 165mm 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: 165mm Throat Depth: 83mm Clamping Pressure: 227kg Rail Size: 16 x 8kg Tapped Hole: M8 Weight: 0.5kg