This sleek, quality balance is made of high-impact plastic to withstand heavy use in the classroom. Features a built-in storage compartment for weights with a Snap-Tight™ lid, a 10-piece, solid brass metric weight set, 2"-deep removable pans, and a zero adjustment knob and damping button for accurate weighing. Sensitive to 1 gram. Total capacity of 2,000 g (2 kg) with ± 0.5 g accuracy. Grades 4 and up.