Features: This is a high-quality balancer quick release wing nut compatible with many brand balancers. Made of durable metal material, this quick release nut helps speed up the balancing process by allowing fast thread release. The design enables the wing nut to slide in and out quickly when the release rod is pressed, making it convenient to use. It features a fast-release thread mechanism that promotes efficient wheel balancing. When the release rod is pressed, the threaded wing slides out easily to release the position. This product comes in four models: 36mmx3mm, 38mmx3mm, 40mmx3mm, and 40mmx4mm. Please select the correct size according to your vehicle's specifications before purchasing. Specifications: Material: Metal Size: As shown Options: 36mm (1.47in), 38mm (1.50in), 40x3mm (1.57x0.12in), 40x4mm (1.57x0.16in) Package Includes: 1 x Hub Wing Nut Note: 1. Please allow 1-2cm measurement deviation due to manual measurement. Ensure you are comfortable with this before ordering. 2. Due to differences in monitor displays, the actual color of the item may vary slightly from the images shown.