Ball Lock Bolt Compatible Table Hole Size 5/8 in Compatible With Welding Tabletop Features 5/32 in Hex Wrench Balls Retract for Insertion Expand to Align and Lock In Position Flush Mount For Connecting 2 Accessories Together Maximum Jaw Opening 1 in Outside Diameter 0.6 in Overall Depth 1.3 in Overall Height 1.3 in Overall Length 1.3 in Overall Width 0.5 in Product Type Ball Lock Bolt Work Surface Pattern 5/8 in Hole Material Steel