Double nickel tape for spot welding of 21700 batteries, 30.5 mm x 21.5 mm, 10 metersDouble nickel tape for spot welding of 18650 batteries, for holder, 27 mm x 20.2 mm, 10 metersDouble nickel strip for spot welding 18650 batteries, 27 mm x 20.2 mm, 1 meterDouble nickel tape for spot welding 18650 batteries, 25.5 mm x 18.5 mm, 10 metersDouble nickel tape for spot welding of 21700 batteries, for holder, 30.5 mm x 22.5 mm, 10 metersDouble nickel tape for spot welding of 21700 batteries, for holder, 25.5 mm x 22.5 mm, 1 meterDouble nickel strip for spot welding of 18650 batteries, 25.5 mm x 18.5 mm, 1 meter