Description: Compatible: Universal fits for Car/Truck/Bus/Motorcycle/RV/Motorhome/Camper/Trailer Material is made of high quality Brass and Rubber Rim Hole Diameter: 16 mm(0.63inch) valve holes Durable, High Performance, Long Working Life Assembly method: tighten up Specification: Model: TR502 Material: Brass and Rubber Outer Diameter: 19mm/0.75inch Length: 68mm/2.68inch Rim Hole : 16mm/0.63inch Package Includes: 4 Pieces Straight Tubeless Tyre Valve Stems Note: Due to manual measurement, it may vary from 1 mm to 3 mm. The colors deviation might differ due to different monitor settings, please kindly understand