Klein Tools 65213HEX Knurled Hex Bit SAE Socket Set, 1/4, 3/8 and 1/2-Inch Drives, Premium Cr-V Steel, SAE Sizes 5/64 to 9/16-Inch, MODbox Case, 13-Piece

13-PIECE SOCKET SET: Includes SAE sizes 5/64, 3/32, 1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 3/8, 7/16, 1/2 and 9/16-Inch, SAE HEX BIT SOCKETS: 1/4, 3/8 and 1/2-Inch drive sizes are ideal for various driving tasks, KNURLING ON SOCKET BASE: Enhances grip for easier hand-starting of fasteners, EASILY OPEN AND CLOSE: Spring-loaded latch on case allows for one handed use, EASY SIZE IDENTIFICATION: Bold stamped size markings are easy to read and use, CLEAR LID ON CASE: Allows quick tool identification and includes a built-in small parts storage tray, MODULAR STORAGE SYSTEM: Case easily connects with other MODbox components, allowing you to create a customized mobile workstation tailored to your needs