The Park Tool Master Mechanic Spoke Wrench is an investment cast butterfly wrench poured from the best steel, precisely machined, heat treated for hardness, then polished and plated. Both the SW-20.2 and SW-22.2 are a smooth, solid steel spoke wrenches designed and built to fit perfectly in your hand and provide years of daily service.
- The SW-20 is three sided and sized for 0.127" (3.23mm) nipples. Compatible with most DT Swiss, Sapim, and Wheelbuilder nipples.
- The SW-22.2 is three sided and sized for 0.136" (3.45mm) nipples. Special Order only