Description: Product name: Steering Wheel Quick Release Device Base 3-Hole Steering Wheel Center Disconnector 3/4 "Shaft Size Material: Main body aluminum alloy, jointed iron 1 - 1/2" steering wheel bolt spacing Suitable for most 3-hole steering wheels Installation: Hexadecimal steel mandrels are welded to the steering shaft Specification: Material: Aluminum Alloy Package Includes: 1 Piece Wheel Quick Release 3 Pieces 5/16" X 1/2" Bolt 3 Pieces 5/16" Locking Washer Note: Please allow some difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Please understand due to the difference between different monitors, the picture may not reflect the actual color of the item