Ideal for physics and general science lessons, this set of Philip Harris hanging slotted masses helps students explore forces and weights with accuracy. Designed for use in primary, secondary and college settings, it supports a range of practical experiments involving mass and gravity. The set includes four stainless steel slotted masses and a sturdy hanger for easy stacking and removal.

• Contains 4 x 50g slotted masses plus a 50g hanger (total 250g)

• Made from durable stainless steel with a polished finish

• Each mass clearly engraved with its weight

• Outer diameter: 32mm; slot width: 4.8mm; thickness: 9.5mm (approx.)

• Easy to handle and suitable for repeated classroom use