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 experiments. Suitable for primary, secondary, and college science classrooms, it supports a range of practical investigations.

• Includes nine 25g stainless steel slotted masses and a 25g hanger (250g total)

• Made from durable stainless steel with a polished finish

• Each mass is clearly engraved with its weight for easy identification

• Mass dimensions: 22mm outer diameter, 4.8mm slot width, 9mm thickness (approx.)

• Slotted design allows for quick and easy adjustment of total mass