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. The Carver T186-300 Standard-Duty Rack Clamp has the following specifications: Capacity: 294mm (12in). Reach: 60mm (2.3/8in). Overall Length: 395mm (15.1/2in). Clamping Force: 11,300N. Weight: 1.8kg.