Keeping the small tools and bits together and readily available helps a lot whether you are an amateur craftsman or a master mechanic. An organized workspace makes any project run smoother and faster, and Powerbuilt has you covered with the 13 Piece SAE Hex Bit and Socket Adapter Set. This hex-bit set features eleven 3/8-inch drive Chromoly hex bits and two polished chrome vanadium socket bit adapters. The adapters drive the bits with a 1/4-inch or 3/8-inch ratchet or spinner handle. The bits are heat treated and precision ground for a tight fit. The set comes in a magnetic organizing bit tray for versatile storage.