uxcell Metal AA Battery Positive Negative Spring Contact Plate 50Pcs Country of Manufacture: CHINA; Material: Metal Net Weight: 62g; Package Content: 50(+/-2%) x Battery Spring Plate Main Color: Silver Tone; Fit for: AA Batteries Plate Size: 28 x 10.5mm/1.1" x 0.41"(L*W); Spring Length: 10mm/0.4" Small One Size: 12 x 11mm/0.47" x 0.43"(L*W)