Ohaus’s affordable Cent-O-Gram and Dial-O-Gram Mechanical Balances let students see mass measurement principles at work. This durable weigh-below balance features a removable hanging pan and an easy-to-use sliding scale that allow children to take accurate measurements every time. Aluminum construction stands up to years of heavy use. The counterbalancing knob provides quick zeroing. Choose a Cent-O-Gram Balance or a Dial-O-Gram Balance with a Vernier dial that saves you time during measurements.