Our double-ended spoke wrenches are a comfortable and functional option for truing bicycle wheels with specialty spoke nipples. The shape of the SW-14.5 is ideal for truing wheels while using a spoke holder to prevent rotation of bladed aero spokes. Each SW-14.5 is made in the USA, and is precision machined, nickel plated and vinyl dipped for long service. The SW-14.5 is designed to fit select ShimanoA(R) wheels including models in the Dura-AceA(R), UltegraA(R), XTRA(R), and DeoreA(R) lines: 4.4 mm square nipples (ShimanoA(R) part # Y-012 Z4200) - found at the hub 3.75 mm square nipples (ShimanoA(R) part # Y-4SY N1000) - found at the rim