TC Bros. Choppers Custom Chopper/Bobber Electronics Tank that looks like a round oil tank. The electronics tank is 4.5" diameter and has removable caps (8" long with both end caps installed) for hiding all of your wiring and ignition components while still having access to them. Mounts are already welded in for you and mounting bolts are included. Parts are made from 16ga steel and are raw finish. Mounting straps are included for you to bolt or weld on. Can fit many other models and applications! Picture shows items mounted on a hardtailed XS650 (bike not included). Electronics Tank(fake oil tank) dimensions: 4 1/2" diameter and 8" long with caps installed.