This is the 1/10 Blue Dot Premounted Rubber Tires from Jaco Products. FEATURES: White disc plastic wheels with mounted tires INCLUDES: Four blue dot wheel and tires REQUIRES: Mounting to vehicle SPECS: Diameter: 2.48" (63mm) Width: .98" (25mm) Hex Size: .47" (12mm) tlw 9/7/07 ir/jxs