G Clamps Heavy Duty Metalwork 4 Pack C Clamp 8 Inch Heavy Duty Steel C Clamps Set, Cast Iron Frame Wood Wor Clamps Metal Material: C-clamp is made of carbon steel. KEJJNYER 4 Pack 8 Inch C Clamp, Heavy Duty Steel C Clamps Set, Green Industrial Strength C Clamp for Woodworking, Welding, Building, Metal Workpiece Overall heat treatment, practical, strong, long-lasting use Great for woodworking and DIY projects, the BESSEY Clutch Style Bar Clamp offers 600 lb. clamping force and a durable steel construction. Ideal for heavy-duty... Package includes: 4 pack 8 inch C clamp with external dimensions of 275x125x30mm/10., 8x5x1., 2in, plus width is 80mm/3., 1inch, plus thickness is 180 mm/7., 1 inch, sufficient quantity ADJ C-CLAMP Heavy Duty Clamp, 8-Pack Bundle C Clamp: C-clamp clamping flange cap flat polished to reduce the holding surface extrusion, hardness filament bearing force, stronger holding force