●Telescopes from 8-Inch to 12-Inch (215mm - 315mm) in 4 increments | 3/8-Inch drive ●Constructed of chrome vanadium for durability and strength | contoured cushion handle for max grip and comfort ●Quick-release feature and drive-end detent ball securely hold socket and enable easy removal ●72-Tooth reversible ratcheting mechanism produces a minimal sweep of 5 degrees ●Made in Taiwan