Sizes: 5/16 in., 3/8 in., 7/16 in., 1/2 in., 9/16 in., 5/8 in., and 3/4 in. Flex head tilts up to 180 degrees, allowing access to the narrowest of working areas. 72 tooth ratcheting box-end with 5 degrees of arc for use in tight space conditions. Drop forged chrome vanadium steel. Mirror polish.