Table Clamp Compatible Table Hole Size 5/8 in Compatible With Welding Table Features Sliding Arm Tempered Profile Variable Throat Depth Holding Capacity 550 lb Includes T-Bar Maximum Jaw Opening 8 in Outside Diameter 0.6 in Overall Depth 1.2 in Product Type Welding Table Clamp Throat Depth 1 1/4 in Material Steel Process Clamping Standards ACME