Regular Sizes Red Case Back Gaskets (Individual Packs)

17.35mm x 18.50mm, 17.85mm x 19.00mm, 18.35mm x 19.50mm, 18.85mm x 20.00mm, 19.35mm x 20.50mm, 19.85mm x 21.00mm, 20.35mm x 21.5mm, 20.85mm x 22.00mm, 21.35mm x 22.50mm, 21.85mm x 23.00mm, 22.35mm x 23.50mm, 22.85mm x 24.00mm, 23.35mm x 24.50mm, 23.85mm x 25.00mm, 24.35mm x 25.50mm, 24.85mm x 26.00mm, 25.35mm x 26.50mm, 25.85mm x 27.0mm, 26.35mm x 27.50mm, 26.85mm x 28.0mm, 27.35mm x 28.50mm, 27.85mm x 29.0mm, 28.35mm x 29.50mm, 28.85mm x 30.00mm, 29.35mm x 30.50mm, 29.85mm x 31.00mm, 30.35mm x 31.50mm, 30.85mm x 32.00mm, 31.35mm x 32.50mm, 31.85mm x 33.00mm