Ideal for science lessons exploring forces and mass, this robust set of Philip Harris brass hanging slotted masses supports practical investigations from primary through to college level. Teachers and students can easily adjust total weight for experiments thanks to the simple slot design and clear mass markings.

• Includes nine 10g slotted brass masses and a 10g brass hanger (total 100g)

• Each mass is clearly engraved for quick identification

• Polished brass finish for durability and easy cleaning

• Mass outer diameter: approximately 22.2mm; slot width: approximately 3mm

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