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Metal Pully Differential - 4-Step - 20mm, 30mm, 40mm, 60mm

  • 4-step diameters: 20mm, 30mm, 40mm, 60mm
  • 4" long, 3/8" diameter mounted rod
  • Product is 6.75" x 3.5" x3"
  • Sturdy metal construction
  • Inner-gap on each pulley is 4.75mm

Eisco's 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 - 60mm. This durable metal unit has a painted black and blue finish, and is mounted on a 4 by 3/8th inch rod.

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