Table Mount Clamp, Compatible Table Hole Size 5/8 in, Compatible With Clamping Squares, Right Angle Brackets, Riser Blocks, Features Crank Handle to Pre-Set the Clamp Opening, Rear Crank Handle Allows Clamp Pressure Adjustment While the Clamp is in Locked Position, Holding Capacity 200 lb, Maximum Jaw Opening 5 1/2 in, Overall Depth 6.1 in, Overall Height 12 in, Overall Width 4.8 in, Product Type Inserta Pliers, Throat Depth 5 3/4 in, Work Surface Pattern 5/8 in Hole Every 2 in