This robust set of Philip Harris brass hanging slotted masses is ideal for demonstrating forces and investigating mass in science lessons across primary, secondary and college settings. Designed for repeated classroom use, the set allows for accurate and flexible measurement in a range of experiments.

• Includes nine 100g slotted brass masses and a 100g brass hanger (total 1kg)

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

• Slotted design enables quick addition or removal of masses during experiments

• Approximate mass diameter: 37mm; slot width: 3mm

• Durable polished brass construction for long-lasting use