Milwaukee Twins Mini Tachometer This Mini Tachometer Gauge from Milwaukee Twins features a chrome case, polished stainless bezel, and durable chrome mounts. Rubber handlebar clamps provide secure installation, with accurate indicators and 12-volt dial lights for clear readings. Formerly offered under the J&P Cycles brand. Features: They measure 2-5/8 wide x 2-1/16 deep The durable housing is water and vibration resistant