HTD Timing 5M Belt Pulley 10-48T AF-Type Bore 5-30mm For 20mm Wide Timing Belt
(Model: HTD 5M. Suitable for Timing Belt Model: HTD 5M Timing Belt （Belt tooth shape: Arc). Type: 5M Timing Belt Pulley. Bore: 5-30mm. Slot width: 21mm(Suitable for Timing Belt Width:20mm).