Socket Shoulder Screw Set, Compatible Table Hole Size 5/8 in, Compatible With Buildpro Welding Table, Features 5/16 in Hex Wrench, Can Hold and Position BuildPro Accessories and Other Components, Standard Version, Includes Nut, Washer, Maximum Jaw Opening 1 1/8 in, Outside Diameter 0.9 in, Overall Depth 0.9 in, Overall Height 1.9 in, Overall Width 0.9 in, Product Type Connecting Bolt, Thread Size 1/2 In.-13, Work Surface Pattern 5/8 in Hole