Description: Made of High Quality Aluminum, Rubber and Stainless Steel Direct Bolt-on Design, Perfectly fits Any Wheel with a 6-Bolt Standard Design. Does not include instruction,Professional installation required. Fits for Car BMW E36. Specification: Material: Metal Height: Approx 78.5mm OD: Approx 41.75mm ID: Approx 23mm Package Includes: 1 Piece Steering Wheel Quick Release Hub Adapter 1 Piece L-Wrench 9 Pieces Screws 1 Piece Ring Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you