Features Made of high quality carbon steel, these nuts have a high hardness and a long service life. They are easy to use and can be conveniently connected to other parts made of aluminium profiles. These nuts are suitable for EU Type 20 series aluminium extruded profiles with 6mm wide slot. There are a total of 50 nuts that you can use for many projects. High quality. Specification: Material: carbon steel. Type: EU type 20 series. Size: M3 x 10 x 5. Quantity: 50 pieces. Weight: 134g/4.7oz (approx.) Features:These nuts made of high-quality carbon steel have a high hardness and a long service life. There are a total of 50 nuts that you can use for many projects. They are easy to use and convenient to connect aluminium profiles to other parts. High quality. These nuts are suitable for EU Type 20 series aluminium extruded profiles with 6mm wide slot. Package list: 50 x nuts Package List