We are offering balance weights.Polished brass, in hardwood case with hinged lid. Divided compartment with dust cover holds nickel-silver and aluminum fractions. With chrome plated brass forceps. A capacity 1 mg to 100gm.B capacity 1 mg to 200gm.C capacity 1 mg to 500gm.D capacity 1 mg to 1000gm.E capacity 1 mg to 2000gm.