OOX2341 Features: * Through-hole design: simply pop the old bit out and insert a new replacement bit * Designed for use on tamper resistant hex fasteners * New bit holder design is 9 times stronger and helps prevent the bit from slipping out of the socket while working Color/Finish: * SuperKrome® finish provides long life and maximum corrosion resistance Dimensions: * 9 Piece 3/8"" Drive Fractional Tamper-Proof Hex Bit Socket Set Warranty: * Lifetime warranty9 Piece set is made in the U.S.A. Tamper-proof bit sockets feature SK"s high polish SuperKrome® finish, which provides for long life and maximum corrosion resistance. Through-hole design makes it easier to replace worn or broken bits: simply pop the old bit out and insert a new replacement bit. The new bit holder design is 9 times stronger and helps prevent the bit from slipping out of the socket while working. Bits are manufactured to rigid standards using high strength S2 steel. These bit sockets are designed for use on tamper-resistant hex fasteners found in a variety of industrial and institutional settings. Sizes include: 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4". * Sets & Kits do not have warranty/ see individual pcs for details