Size: 1/2" Drive 12074 1/2-Inch Drive x 12 to 17-Inch 72-Tooth Extendable Ratchet telescopes from 12-Inch to 17-Inch (305mm 445mm) in 6 increments and features a 1/2-Inch drive. Constructed of chrome vanadium for durability and strength. Features a contoured cushion handle for max grip and comfort. Quick-release feature enables easy socket removal and drive-end detent ball holds socket securely. 72-Tooth reversible ratcheting mechanism produces a minimal sweep of 5 degrees. Telescoping ratchet is made in Taiwan.