These are M2x8mm Bronze Philip Screw that come in a pack of 50 pieces. They are made of bronze material, which is durable and corrosion-resistant. They have a philip head design, which allows for easy installation and removal with a screwdriver. They are suitable for various applications, such as 3D printing, electronics, robotics, and DIY projects. They have a dimension of M2x8mm, which means they have a diameter of 2mm and a length of 8mm. They are compatible with other M2 screws, nuts, washers, and spacers. They are small and compact, and can fit inside the V-shaped profile of V-Slot Linear Rail and C-Beam Linear Rail channels along with a lead screw1. They are also available in other sizes and colors2.