Features: Made of high-quality iron that allows it to withstand cracking, fading, and warping. It can hold various 52mm or 2-inch gauges, such as exhaust gas temperature gauge, turbo boost gauge, voltage gauge, tachometer gauge, and more. Allows mounting of gauges at eye level for easy viewing. Suitable for most cars, trucks, boats, motorcycles, and other vehicles. Strict factory testing ensures quality, practicality, and high reliability. Specification: Condition: Material: Iron Color: Black Size: 7.2 x 6.8cm / 2.8 x 2.7in Hole Diameter: 53.7mm / 2.1in Package Weight: Approx. 20g / 0.7oz Fitment: Universal Package List: 1 x Gauge Holder Bracket Notes: 1. Easy to install; professional installation is recommended. 2. Please allow 0.2 inch error due to manual measurement.