uxcell Metal AAA Batteries Spring Lamination Plate Silver Tone 30 Pcs Product Name : Battery Spring Plate;Material : Metal Fit for : AAA Batteries;Plate Size : 17 x 7mm/ 0.67" x 0.28" (L*W) Spring Length : 7mm/ 0.28";Color : Silver Tone Net Weight : 16g Package Content : 30 x Battery Spring Plate