Features: brand new and high quality for BLV Ender-3 Voron 3d printers 2020 2040 aluminum profile mount. Application: Suitable For MGN12 Linear Guide High quality aluminum alloy material, resistant to wear and deformation Surface with anodizing treatment Fine workmanship, wear-resistance and corrosion-resistance Specifications: Item: for Voron 2020 / 2040 Aluminum Profile Mount Block Suitable For: MGN12 Linear Guide Rail Material: Aluminum alloy Surface treatment: Anodizing Type: for 2020 / 2040 Aluminum Profile Color: Silver Package Includes: 1PC x Fixed Block with Screws and Nuts note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to manual measurment.