This category covers 9 mechanical gauge (mechanical gauge / instrument) products, including Ø 85mm cable-drive mechanical speedometers, odometers, and tachometers, 52 mm Bourdon tube gauges for oil pressure, coolant temperature, oil temperature, vacuum, and turbo boost, and cable-drive counter wheel drivetrain components. All products are fully mechanical with no electronic components, intended for OEM / ODM development and aftermarket replacement use on commercial trucks, buses, passenger cars, agricultural and construction machinery, forklifts, generator sets, and commercial marine vessels.