HTD 8M 1888-8M 236 Tooth 1888mm Girth 20mm 25mm 30mm To 70mm Width 8mm Pitch Closed-Loop Transmission Timing Synchronous Belt HTD 8M 1888-8M 236 Tooth 1888mm Girth 20mm 25mm 30mm To 70mm Width 8mm Pitch Closed-Loop Transmission Timing Synchronous Belt. Sale price : $25.79 Category : Home Improvement