Sizes: 8 x 10 mm - 12 x 13 mm, 16 x 17mm - 18 x 19mm 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
