These dBoots COPPERHEAD2 SB MT tires and inserts provide optimum performance on a wide range of surfaces.Features:Aggressive tread pattern for excellent traction on all off-road surfaces - Durable material compound for long-lasting performance - Medium compound foam inserts included SPECIFICATION 5" (127mm) Bead diameter 3.98" (101mm) Width 8" (203mm) Outer diameterIncludes:2 x dBoots COPPERHEAD2 SB MT Tire 2 x Foam InsertRequires:Wheels such as #ARA510122