Features Specifications:Polyurethane(PU) Timing Belts(Truly endless) /Seamless timing belt Shengzhou Hengli Industrial Belt Co., LTD., offer full series of Rubber Belt, Poly-V belt, PU Timing belt,TT5 timing belt, Jointed/welded PU Belt, special belt(T10-3040, seamless AT20,T10-630)coating Linatex/APL/Tenax and its auxiliary pulley.At present, we have more than 4000 specifications of belts. Polyurethane Truly Endless Timing Belt perform especially well on light synchronized and stepped drives in office automation and domestic appliance applications. The sizes we have for the Polyurethane seamless timing belts are as follows: MXL,XL,L,H,T2.5,T5,T10,T20,AT5,AT10,AT20,3M,5M,8M etc.