The Beam of lightweight aluminum for extra sensitivity pivots from self-aligning genuine agate bearings with load of 50g per pan and ultimate sensitivity of 10mg. Durable, one-piece base molded of high-impact styrene, with three-point suspension for self-leveling. For grades 7-9.

Includes:-

• Bearing agate.

• Pointer balance.

• Punched knife edge.

• Two preformed pans and cover plates.

• Two plastic vials.

• 30 paper weighing cups.

• Forceps.