This set of Philip Harris brass hanging slotted masses is ideal for demonstrating forces and mass in science lessons across primary, secondary, and college settings. Designed for practical experiments, the set allows for easy adjustment of mass during investigations.

• Includes four 50g slotted masses and a 50g hanger (total 250g)

• Made from high quality brass with a polished finish

• Each mass is engraved with its weight for clear identification

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

• Suitable for a wide range of weight-bearing and force experiments