Ideal for science lessons in primary, secondary and college settings, this robust set of Philip Harris brass hanging slotted masses supports hands-on investigations into forces and mass. The set includes nine 50g brass masses and a sturdy 50g hanger, making it suitable for a wide range of classroom experiments.

• Includes 9 slotted brass masses (50g each) and 1 brass hanger (50g)

• Total mass: 500g

• Each mass engraved with its weight for easy identification

• Mass dimensions: 33mm diameter, 3mm slot width, 18mm thickness (approx.)

• Durable, polished brass construction

• Designed for repeated classroom use