Specially designed handle for heavy-duty use and soft feel.Capacity 50 mm to 175 mm.Tough and weather-resistant.Zinc finished screw with special, plastic covered ball-swivel foot for secure and easy clamping of odd shapes.High quality plastic caps for protection of clamped pieces.Professional F clamp with one fixed and one sliding bracket fitted to a galvanised profiled steel rail.Flag in a resistant plastic to include product data