MAXIMIZE DRIVING POTENTIAL: Multi-purpose adapter ensures full compatibility with the Klein KNECT system DEEP WELL IMPACT SOCKETS: Flip Socket Set features 12 color-coded sockets covering 24 SAE and metric sizes, along with two nested adapters and an extended shaft SOCKET SIZES: 3/8-Inch square drive ratchet, 1/4 x 5/16, 3/8 x 7/16, 1/2 x 9/16, 5/8 x 3/4, 11/16 x 13/16 , and 7/8 x 1-inch socket sizes and 8 x 10, 9 x 11, 12 x 14, 13 x 15, and 16 x 18, 17 x 19 mm QUICKLY CHANGE SOCKETS: Six smallest sockets (1/4-Inch to 9/16-Inch and 8 to 14 mm) are stackable on 650QSAL shaft reducing the number of tools required Klein KNECT (M) COMPATIBLE: Features specialized square drive adapters for seamless compatibility with the Klein Tools Pass Through Socket Wrench (Cat. No. 65400) and any 3/8-Inch square drive ratchet SMALL PARTS STORAGE TRAY: Internal storage tray keeps loose fasteners, washers, and extra bits organized and secure COMPATIBLE WITH MODbox: Connects with other MODbox cases of similar design for a customized mobile workstation tailored to your needs