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Differential Pulley, Large Ball Bearing - Dia 20, 30, 40, 60mm Steps, Eisco Labs

Original price $15.99
Current price $11.22
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  • 4 step differential pulley
  • 20, 30, 40, 60 mm diameter steps
  • 6.5" total length

Ideal for classroom demonstrations pertaining to mechanical advantage. Each step has a gap of about 3/16" or 5mm. The post has a .75" diameter and attaches easily to any stand and rod assembly. Clamps not included.