... , S20M, RPP3M, RPP5M, RPP8M, RPP14M & Double Sided 2. Poly V Belts(Ribbed Belts) PH, PJ, PK, PL 3. Polyurethane(PU) Timing ... , Double sided, *T10-3040 special belt 4. Polyurethane(PU) Timing Belts(Open End and welding) MXL, XL, L, H, XH, XXH ... On Teeth), TENAX Or LINATEX On the Back. *TT5 timing belts, Suitable for the KNITTING LARGE DIAMETER CIRCULAR KNITTING MACHINE5. Polyurethane ...