One card of needles has 5 needles in it.
these are for your Domestic/Household sewing machines
Made especially for sewing through densely woven materials such as denim or imitation leather. It is both strong and sharp. Some quilters use it when sewing through many layers of fabrics, especially high thread count batiks.
Available is a range of sizes - See options
"your sewing machine is only good as the needle your sewing with"Ferd Schmetz 1851