The N195GM Wheel Simulator; Fits 19 1/2 Inch Wheels; Polished Stainless Steel; Bolt On; 5 Lug Front, 10 Lug Rear; Set Of 4; With 2 Front Wheel Liners/ 2 Rear Wheel Liners/ 4 Axle Covers/ 16 Jam Nuts. Bolt on retention is quick with no lug nut removal required. Product Features:Quality T304SS Construction For Long Lasting Durability And ShineBolt On Retention Without Lugnut Removal For 15 Minute InstallationLimited Lifetime Warranty