Pit Bull CHIC006 6-Inch C Clamp Heavy Duty Heavy Duty 6" C-Clamp Build to last a lifetime Threaded screws to turn smoothly and tighten securely Heavy Duty 6" C Clamp Heavy duty c clamps are built to last a lifetime Clamp screws have heavy duty swivel end pads to clamp against the work flush and secure Clamps are heavy duty, with enamel finish, threaded screws to turn smoothly and tighten securely