... Polyurethane timing belts specifications:1) XL,L,H,DH,XH2) 2M,3M,5M,8M,10M,14M,DHTD8M,DSTD8M3) AT5,AT10,AT20 ... timing belt in Truly Endless, any length.(2)PU double-side timing belts longer than 2 .4meters.(3)Flex timing belts longer ... than 2 .3meters.Widely used in glass machines,ceramic ...