Patented bit holding system forces bit surface to opposing side for maximum retention. Chrome sockets; heat treated for durability and service ability. S2 and Alloy steel bits. Packaged in patented impact resistant Slide Rail System for ease in socket storage8 Piece 3/8 Drive Metric Long Ball Hex Bit Socket Set includes: 3, 4, 5, 6, 7, 8, 9, and 10mm Bit Sockets packaged on a clip rail.
