General description The STANLEY® FATMAX® 3/8in M PRO-STACK 18-Piece Socket Set features a selection of Maxidrive Sockets designed for ease of use and efficiency. The neck-down design allows for operation in tight spaces, while the Maxidrive profile ensures maximum contact between the socket and nut, making it easier to identify socket sizes. Technical specifications Includes: 1 x 3/8in Bi-material Ratchet 120 Tooth 15 x 3/8in 6 Point Maxidrive Sockets: 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, and 19mm 1 x 3/8in Extension 76mm (3in) 1 x 3/8in Universal Joint Compatibility and accessories Fully connectable with the STANLEY® FATMAX® PRO-STACK storage system Can be fixed to the larger PRO-STACK casing for a mobile and secure solution Other information A transparent lid provides full visibility of contents