Unicycle.com cycle spanner wrench. This tool is designed specifically for assembling and maintaining unicycles. Also ideal as a riding tool with it's storage holes for allen keys (not supplied). Comes with bottle opener feature for that cool drink at the end of a ride.
4.2mm thick hardened plate steel
15mm open jaw wrench for tightening pedals
10mm open jaw wrench for tightening bearing housings
Material: 4130 CrMo, Hardened to HRB 45