Eisco® Differential Pulley

Large ball bearings and various diameters (20 to 60mm) for accurate and precise measurements.

• Four step differential pulley: 20, 30, 40, 60 mm diameter
• 6.5" total length

Ideal for classroom demonstrations pertaining to mechanical advantage. Each step has a gap of about ³/₁₆" or 5 mm. The post has a 0.75" diameter and attaches easily to any stand and rod assembly. Clamps not included.