Features 1、Direct Drilling: These are self tapping screws with self drilling tips that can be drilled directly into metal surfaces, eliminating the need for pre drilling. 2、6 Sizes: We offer 6 of the most popular sizes to meet your needs, perfect for home, office, garage and industrial applications. 3、Stainless Steel Material: Made of stainless steel, these screws are reliable and durable, resistant to rust and corrosion, resistant to deformation or bending, and retain their color and shape even after extended use. 4、Incisive and Strong: The threads of the screws are so incisive and strong that they will not slip, even with older sleeves and worn drill tips. 5、Wide Range of Uses: Screw set is versatile and suitable to join metal, wood, fiberglass and plastic to support most of your work needs. Specification Item Type: Hex Screw Set Material: Stainless steel Package List 10 x M4.8x16 Screw 13 x M4.8x32 Screw 11 x M4.8x38 Screw 20 x M4.8x19 Screw 11 x M4.8x13 Screw 15 x M4.8x25 Screw 1 x Storage Box