The RYOBI LINK™ 97-Piece ¼” & ⅜” Socket Set ensures you always have essential tools and accessories on hand to tighten and loosen nuts and bolts manually. It takes up minimal space in toolboxes and is a great gift idea for DIYers and auto enthusiasts. This Set includes 21 x ¼” Sockets, 24 x ⅜” Sockets, 39 x 25mm Screwdriver Insert Bits (PH, PZ, SQ, Torx, HEX, SL), 1 x ¼” Adaptor, 5 x ¼” Hex Nut Drivers, 1 x 1/4" Drive Bit Adaptor, 1 x 3/8" Drive to 1/4" Adaptor, 1 x ¼” Ratchet, 1 x 3/8" Ratchet, 1 x 1/4" Driver Bit Driver, 1 x 1/4" Drive 3" Extension, and 1 x 3/8" Drive 3" Extension. Each Socket features a 6-point design for maximum contact. This design prevents damage to nuts and bolts caused by slipping and stripping. Metric and imperial socket sizes ensure you’re equipped for various jobs. The ¼” Ratchet’s high 90-tooth count and 4o arc swing provides greater mobility in tight spots to reduce user fatigue from extended use. Each Socket has large markings for easy identification and faster socket changes. The included Storage Case makes it easier to store and transport all accessories. It also mounts to LINK™ wall rails, for a convenient wall storage solution.