This all-purpose balance covers your balance requirements from Grades 4-10. Molded from high-impact polystyrene, this durable and accurate balance has a capacity of 2000 g and is readable to 1 g. Features a zero adjust knob and two removable 10 cm square pans. Activity guide included with an 8-piece brass mass set: 50 gram, 20 gram, 10 gram, 2 x 5 gram, 2 x 2 gram, and 1 gram weights.