small wheels and tires 400-8 1,natural rubber 2,thicken tire and tube 3,all kinds for choose, from 6"to18" 4, ... small wheels and tires 400-8 Detailed specification size 400-8plying2PR/4PRpacking 20 pcs/bundlepatterndiamond,cross and so onAPPLICATION: WHEELBARROW, HAND TROLLEY, HAND CART, GARDEN ... mould can supply many models as you need small wheels and tires 400-8