Inserta Clamp, Compatible Table Hole Size 5/8 in, Compatible With BuildPro Welding Tables Top and Squares, Features Fast and Easy Clamping, Holding Capacity 400 lb, Includes T-Handle, Maximum Jaw Opening 8 1/2 in, Overall Height 0.5 in, Overall Length 4 in, Overall Width 8.5 in, Product Type Inserta Clamp, Throat Depth 4 in, Work Surface Pattern 5/8 in Hole, Process Horizontal and Vertical Clamping