Specifications: Finish: Zinc Plated Material: Carbon Steel , Rubber Total Length: 29mm Thread Diameter: M4 Thread Length: 20mm Rubber Head Size: 10 x 7 x 9mm(Max Dia*Min Dia*Height) Hex Nut Width: 7mm Package Content: 10pcs x Toggle Clamp Screw, 20 x Hex Nut, 20 x Washer Description: The bolt is made of cold-rolled carbon steel with zinc plated coating for corrosion resistance, with a soft rubber clamping pad. This clamping foot provides more stable clamping pressure and does not mar on soft woods. Swivel-action foot is perfect for clamping angled stock. Clamp foot will fit most toggle clamps. Toggle clamp not included.