Size: 120mm*54mm(4 3/4" * 2 1/8")steel cylinder Premium Quality .TUV/GS APPROVED. Double Cylinder. Spring Internal. 2 foot end caps. PackingˇGPC. ./ color box ˇ@ˇ@ˇ@ˇ@10PCS/CTN/18.5KG ˇ@ˇ@ˇ@ˇ@/19.5KG/1.84' ˇ@ˇ@ˇ@ˇ@11500PCS/40' container