The Smittybilt M1 Tire Carrier For The Toyota Hilux Sets A New Standard For Truck Tire Carriers. Each M1 Tire Carrier Is Manufactured Out Of 3/16" Cold Rolled Steel With 1/4" Mounting Plates And Powder Coated In Smittybilt'S Signature Series Two Stage Powder Coat. The M1 Tire Carrier Is Completely Bolt-On And Requires No Drilling.