Ideal for physics and general science lessons, this set of Philip Harris hanging slotted masses helps students explore forces, mass, and weight with hands-on activities. Designed for use in primary, secondary, and college classrooms, it provides reliable, easy-to-handle components for accurate experiments.

• Includes 9 stainless steel slotted masses (100g each) and a 100g hanger (total 1kg)

• Each mass is clearly engraved for easy identification

• Durable stainless steel construction with a polished finish

• Approximate dimensions: 38mm outer diameter, 4.8mm slot width, 11mm thickness

• Slots allow quick addition or removal of masses during experiments