Description: This openbuild screw block features a simple and fast installation, easy to remove and replace. The T8 8mm screw nut block is mainly made of POM, you can use it for a long time and it is not easy to break. The 3D printer screw nut block is durable in use and is a good choice to replace the worn or damaged. The T8 screw nut block features fine workmanship and has a smooth surface. The screw nut block is designed with a small size, compact and lightweight, convenient to store. Specification: Material: POM. Color: Show as picture. Size: Show as picture. Screw distance: 1mm, 2mm. Guide distance: 1mm, 2mm, 4mm, 8mm, 10mm, 12mm, 14mm, 16mm. Note There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package included: 1x Screw nut block. 1x Screw. 1x Nut.