The Ohaus Primer Balance is an inexpensive tool for teaching the basic concepts of mass and mass measurement. The Ohaus Primer Balance is easy to use and sensitive to 1g. Made entirely of easy-clean, durable plastic, each bucket has a volume of 500ml which makes it ideal for many simple classroom experiments with both liquids and solids. Features easy to use zero adjustment and dual pointers to allow viewing from both sides. Capacity: 2000g x 1g and comes complete with an eight piece mass set: 50g x 1g. Platform: 102 x 102mm.