Feature:1. An important accessory for printers, Small size and light weight, very easy to install on a 3D printer.2. Quick assembly, strong stability, applicability and flexibility, compatible with V Type linear guide.3. With various standard hole sizes for belts, screws and other accessory options.4. The build board kit has multiple pre-drilled holes and can be installed in a variety of ways, suitable for any build layout.5. Has good wear resistance, heat resistance and corrosion resistance, and its strong structure makes it durable.Specification:Conditon: 100% NewItem Type: V Type Building Board Pulley SetMaterial: AluminumColor: As Pictures ShownBoard Surface Treatment: Black Anodized TreatmentModel: 3D printer V Type build board general white wheelApplication: For opennbuilds general V Type build board 20-80mm/0.8-3.1inIncluded: 1Pc Universal V Type Building Board 20-80mm/0.8-3.1in6Pcs Solid V Wheel Kits6Pcs Aluminum Spacer 6mm/0.24in6Pcs Eccentric Gasket 6mm/0.24in6Pcs Thin Screw6Pcs Subassembly.Package List:1 x V Type Building Board6 x Pulley6 x Silver Accessories18 x Screw Accessories