Power Driver, Compatible Tool Type Drill Press, Power Drill, Compatible Insert Type Hex Drive Threaded Inserts, Knife Threaded Inserts, Solid Threaded Inserts, Compatible Internal Thread Size 5/16 In. -18, 5/16 In. -24, M8, Compatible External Thread Size 1/2 In. -13, Material Steel, Overall Length 31/64 in, Product Type Drive Tool, Compatible with Grainger Part Number 4ZE18, Compatible with Manufacturer Model Number 329-5, Features Install Slotted Inserts without Engaging the Internal Thread. This item has been restricted from sale in the following state (s): []