Pulley Differential Metal, 4-Step



Product Code: 1493735


4-step metal pulley differential is ideal for classroom demonstrations of mechanical advantage. The inner-gap on each pulley is 4.75mm; while the pulley diameters are 20mm, 30mm, 40mm and 60mm. This durable metal unit has a painted black and blue finish, and is mounted on a 12mm rod.


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