1 3M Timing Pulley. Tooth number: 26. Tooth width: 11mm/0.433". We will much appreciate it and try to improve our service. We will try our best to save your problem ASAP. A=28mm/1.1" B=17mm/0.669" C=You can choose D=25.2mm/0.99" E=11mm/0.433" G=M4.
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