1 3M Aluminum 60T-30T Variable speed Timing Pulley. We will much appreciate it and try to improve our service. Tooth width: 11mm/0.433". Tooth number: 60 and 30. A=62.5mm/2.46" C=14mm/0.55" D=38mm/1.49" E=11mm/0.43" e=11mm/0.43" G=M4.
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