Klein Tools 20-Piece 3/8" Drive Socket Wrench Set

Features Knurled handles for a better grip Fluent ratcheting switch for an easy change from tightening to loosening Comes in a red ratchet and hinged metal box Chrome plated for corrosion resistance Size engraved for easy identification Includes Four 6-point sockets: 3/8", 7/16", 1/2" and 9/16" Five 12-point sockets: 5/8", 11/16", 3/4", 13/16", and 7/8" Eight 6-point deep sockets: 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", and 13/16" Two extensions: 1-3/4"(44 mm) and 3"(76 mm) long