Inserta-Clamps from Strong Hand provide fast and easy clamping on your BuildPro table. They neatly fit into the table's holes, and are ready to lend a hand with your clamping and welding chores. These clamps have a 8-1/2 inch height and 4 inch throat depth with with a ratchet handle for quick clamping. They will secure your work pieces and make set-ups easier.