2pc 20mm (3/4") 5x112 Ubertechnic Hubcentric Wheel Spacers for Audi A4 A5 A6 A7 A8 & many Mercedes Vehicles: C230 C240 C280 C300 C32 C320 CL500 CL550 CL600 CLK320 CLK350 CLK430 CLK500 (66.6/66.56) [VERIFY FITMENT] Can fit on many Mercedes and Newer (09+) Audi vehicles. Buyers must look at the Description to see exact Year/Makes/Models. Do this prior to placing your order to prevent fitment problems. [SPECIFICATIONS] Thickness: 3/4" (20mm). Bolt Pattern: 5x112. Hub Bore: 66.6mm | NO LUG BOLTS INCLUDED. Extended bolts are required for proper installation. [HUBCENTRIC DESIGN] Ensures exceptional wheel balance and eliminates chance of vibration. The 66.6mm bore ensures a tight fit on the hub. And the 66.6mm wheelcentric lip functions as an extension of the hub. [MANUFACTURING] Wheel Spacers are CNC Machined to exact specifications from Aerospace Billet Aluminum. Undergoes anodizing process to prevent corrosion. [PRODUCT BENEFITS] Gives your vehicle a more aggressive stance. Improves handling characteristics and stability. Fixes brake caliper clearance issues. Increases tire clearance to allow installation of wider wheels and tires.