The Carver T186-150 Standard-Duty Rack Clamp has the following specifications: Capacity: 150mm (6in). Reach: 60mm (2.3/8in). Overall Length: 245mm (9.3/4in). Clamping Force: 11,300N. Weight: 1.4kg. The Carver Standard-Duty Rack Clamps have many uses. The most common include welding, metal fabrication, moulding box and die holding, plate fabrication, plastic and fibreglass moulding and maintenance work.