brand new and high quality Feature: Made of high quality metal material, anti-rust, sturdy and durable The space can be adjusted for some deviations in the installation of the screw, which reduces the degree of bending of the screw and brings greater convenience to the player. For some screw rods with deviations in installation, the gaps can be adjusted to reduce the degree of bending of the screw rod. Easy to install, adjustable to meet your needs. Suitable for CR10 series, Ender-3, Ender-3 V2 and other machines with screw. Specifications: Material: Metal Size: approx.35x16.5mm/1.38x0.65in Color: As pictures shown Applicable Model: for CR10 series, for Ender-3, for Ender-3 V2 and other machines with screw. Quantity: 1 Set Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 2 x Mounting Blocks 4 x Screws 2 x Nuts 1 x Bearing Ring (other accessories demo in the picture is not included)