
The United Scientific® Analytical Weight Box Set of 9, Brass contains nine brass weights from 1 g to 100 g, a 1 to 500 mg fractional weight set, a 5 mg rider and forceps, all held in a polished wooden box. The 1-2-2-5 size sequence lets students build any whole-gram value up to 210 g. Teachers use it with beam and pan balances in physics and chemistry teaching labs.