To suit HSP 1/16 scale models. Please check your manual for the correct part number to ensure a fit. Parts are plastic unless otherwise stated in the title. Images copyrighted by BlackSmith Products Ltd. Set of 2 plastic wheels and tyres to fit 1/16 car models. Will not fit all models please check measurements before ordering: 47mm outer diameter - 35mm inner diameter - 9mm center hex - 9mm depth to hex (from edge of wheel).