Specifications: 19.50"/22.50"/24.50" Wheel 22mm Wheel Studs 1"-1.063" Wheel Hole Aluminum/Aluminum Wheels Includes: 1 Set of 6 C-2435-A (Centers Brake Drum/Inner Wheel) Includes: 1 Set of 6 C-1611-AS (Centers Outer Wheel) Features: Dual Wheels Only Stays On Wheels Zinc Plated To Resist Corrosion Sold In Sets of 6 Per Axle Machined from Solid Steel Bar Stock 2 Piece System Allows For Easier Install/Removal