Ball Lock Bolt, Compatible Table Hole Size 5/8 in, Compatible With Welding Tabletop, Features 1/4 in Hex Wrench, Balls Retract for Insertion, Expand to Align and Lock In Position, Fixed Length, For Connecting 2 Accessories Together, Maximum Jaw Opening 1 in, Outside Diameter 0.6 in, Overall Depth 2.8 in, Overall Height 2 in, Overall Length 2.8 in, Overall Width 1 in, Product Type Ball Lock Bolt, Work Surface Pattern 5/8 in Hole, Material Steel