Patented bit holding system forces bit surface to opposing side for maximum bit retention - strength. Packaged in patented impact resistant slide rail system . Heat treated socket bases for durability and service ability. Chrome sockets; S2 and alloy steel bits. Includes E4, E5, E6, E7, E8, & E10 Sockets 6 Piece 1/4 Drive Deep External Torx Socket Set includes E4, E5, E6, E7, E8, & E10 Sockets packaged on a clip rail.
