A handy addition to any OO scale modeller’s tool kit, this Loco Crankpin Box Spanner is an essential tool for maintaining your cherished Bachmann Branchline models. Made of machined metal, this tool is specially designed for removing the crankpins from Bachmann Branchline steam locomotives, you can quickly and easily swap wheelsets on models like the Midland Class 1532 and LNWR Improved Precedent or replace the traction tyres on these models when needed.