Pulley with 4 mm Hole in Diameter

This pulley with a centre hole of 4 mm in diameter is great for your lessons and laboratories involving pulleys and other physics or mechanics-related activities.

Product Features:

These coloured plastic pulleys have deep V-shaped groves. Many sizes are offered and all models have a hole of 4 mm in diameter at the centre:

• 25 mm diameter
• 38 mm diameter
• 50 mm diameter