It is a manual power source and manufactured in China. The manufacturer part number for this wheel weight is FN010Z.
(25) WHEEL WEIGHTS, FN STYLE, 25 GRAM ZINC, FN025Z
(25) WHEEL WEIGHTS, FN STYLE, 30 GRAM ZINC, FN030Z
(25) WHEEL WEIGHTS, FN STYLE, 20 GRAM ZINC, FN020Z
(25) WHEEL WEIGHTS, FN STYLE, 10 GRAM ZINC, FN010Z
(25) WHEEL WEIGHTS, FN STYLE, 40 GRAM ZINC, FN040Z
(25) WHEEL WEIGHTS, FN STYLE, 35 GRAM ZINC, FN035Z
