Sizes: 5/16 x 3/8 in. - 7/16 x 1/2 in., 9/16 x 5/8 in. - 11/16 x 3/4 in.
Product Features:- QuadBox design has 2 fastener sizes in each box end
- Reversing levers on both sides for fast, easy access
- Save Weight: 4 Sizes in one wrench
- Surface Drive on box end provides off-corner loading for better grip and reduced fastener rounding