RYOBI introduces the 156 Piece Mechanics Set (LINK Compatible). Equipped with 90 tooth quick release ratchets with a 4 degree arc swing for more access in confined spaces. 6 point sockets that increase torque without slipping and rounding fasteners. Each of these sockets have large markings for faster identification when working on a project. Best of all, the set is RYOBI LINK compatible allowing for easy organization, accessibility, and transportation. 90 tooth quick release ratchet with 4 degree arc swing 6 point sockets Large socket markings 1/4" and 3/8" drive sizes LINK compatible for convenient storage Includes: (72) Sockets SAE + Metric, (18) Nut Driver Bits, (43) 1" Bits, (2) Ratchets, (1) 1/4" Driver, (2) Extensions, (2) Adaptors, (16) Hex Keys