Support hands-on science investigations with this durable set of Philip Harris stainless steel slotted masses, ideal for demonstrating forces and mass in primary, secondary and college classrooms. Designed for ease of use, each mass is clearly engraved and slots neatly onto the included hanger, making it simple to adjust total weight during experiments.

• Includes nine 50g slotted masses and a 50g hanger (total 500g)

• Made from polished stainless steel for long-lasting classroom use

• Each mass engraved for easy identification

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

• Suitable for a range of physics and general science activities