Professional quality, precision-sized spoke wrenches are hardened and nickel plated for long service. Park Tool Spoke Wrenches are vinyl coated in one of four colors indicating the size at a glance. Park Tool Spoke Wrenches are marked “Park Tool USA.” SW-0 (Black) 80 ga./.127” nipple/3.23mm SW-1 (Green) 80 ga./.130” nipple/3.30mm SW-2 (Red) 80 ga./.136” nipple/3.45mm SW-3 (Blue) 105 ga./.156” nipple/3.96mm