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 250 lb Maximum Jaw Opening 4 in Overall Depth 3.4 in Overall Height 12 in Overall Width 4 in Product Type Inserta Pliers Throat Depth 3 3/8 in Work Surface Pattern 5/8 in Hole Every 2 in