TurboCat Zoom Poly V Belt fits all models including all TurboCat Platinum, Onyx, TurboCat EX and TurboCat Pro. The Poly V Belt is not cogged but grooved lengthwise for quieter operation. The original TurboCat belt does not fit the Zoom, Pro, or EX models and vice-versa.
Belt is 5/16" wide, 5-5/8" long when flattened, and 5 peaks and 4 grooves.