MASSES SET. KNOBBED. ACCURATE Capacity 500g-1 x 200g, 2 x 100g, 1 x 50g, 1 x 20g, 2 x 10g, 1 x 5g, 2 x 2g, 1 x 1g (0090) Physical masses of polished brass. Each mass accurately adjusted to close tolerances using lead at the top of masses. All masses rest in the cylindrical recesses drilled in wooden block. Qty :