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, M8, Compatible External Thread Size Not Applicable, Material Steel, Overall Length 33/64 in, Product Type Drive Tool, Compatible with Manufacturer Model Number 851618-20, 851618-25, 951618-13, 951618-25, Features Install Slotted Inserts without Engaging the Internal Thread, Series E-Z Hex. This item has been restricted from sale in the following state (s): []