General description Kossel MGN12 3D printer 12mm miniature linear rail slide with MGN12H carriage, designed for precision and smooth movement in 3D printing applications. Technical specifications Slide rail size: 400 mm x 10 mm (L x W) Trolley size: 25 mm x 45 mm (L x W) Weight: 320 g Material: Metal Color: Mainly silver Compatibility and accessories Suitable for Kossel 3D printers Package includes: 1 rail slide and 1 MGN12H trolley Usage Note: Do not remove the slider from the rails, as the balls can easily come out.