Schungit Ball + Thalkchl Orit Ball Diameter 4 cm Karelien, Lead with Certificate in Russia.

描述

Schungit ball, approx. 40 mm diameter, Thalkchl Orid ball 4 cm (1.5 inch) diameter, approx 140g weight. Yin & Yang, + and – , charging and discharging, always included in the circuit.