Steering Wheel Boss Kit Hub Adapter fit For Mazda MX-3,MX-5,MX-6,RX7 Application: For MAZDA Description: Color:black Material:Aluminium and Rubber diameter:16mm Overall size: 97mmx 59mm(height) Model number: R-2 Genuine HUB Steering Wheel Boss Kits These bosses are double drilled so work for Personal and Momo/OMP steering wheels All HUB boss kits are a correct fit and fully featured for the application SAME AS FOR HKB. This boss kit is special designed for MAZDA, supplies you a fast and effective update to your love car. Each aftermarket part was properly made to fit the standard mounting, you can trust on purchase.(WILL NOT FIT ON ORIGINAL STEERING WHEEL) package include: 1xBoss Kit *This product is Brand new products that have not been used and installed *Due to manual measurement, the product may have 1-5MM error *We take no responsibility in teaching you how to install. professional installation is highly recommended.