Park Tool's Spoke wrenches are professional quality, precision-sized spoke wrenches are hardened and nickel plated for long service. Park Tool Spoke Wrenches are vinyl coated in one of five colors indicating the size at a glance.
*SW-0 Black is sized for 0.127" (3.23mm) nipples
*SW-1 Green is sized for 0.130” (3.30mm) nipples. (SW-1 is the most common BMX size)
*SW-2 Red is sized for 0.136” (3.45mm) nipples
*SW-3 Blue is sized for 0.156” (3.96mm) nipples.