PINEPRO-Pine Car Derby Speed Kit. This kit features polished and de-burred axels and fast wheels. This package contains a wheel turning mandrel; 0.5 oz. of polishing pumice; No.120 and No.220 sandpaper; No.600 wet/dry sandpaper; 2 oz. and two screws for weight; five nail-type axles; 6.5g dry graphite; and instructions. Made in the USA.