Slotted mass Made of brass or Steel, the design of the slots ensures that the masses may be easily removed and replaced but will not fall off accidentally. Having 1 hanger and 9 slotted masses in each set. SKU: PWM012 Product Description Materiel: – Stainless Steel, Brass. Masses: – 1g, 2g, 5g, 10g, 20g, 50g, 100g, 200g, 500g. Related Items: Inclined Tube Manometer Stop Watch Mechanical Pocket Watch Balance Compression << return to products