Feature:1. INCLUDED TOOLS: X axes guide upgrade kit, including slide rail, screws, nuts and mounting bracket, is a commonly used 3D printer accessory.2. APPLICABLE MODEL: The linear motion slide rail kit is suitable for Ender 3, for Ender V2, for Ender 3 Pro printer models, which has good compatibility.3. METAL STRUCTURE: The linear slide rail kit is made of stainless steel and aluminum alloy, which is resistant to rust and corrosion, sturdy and durable.4. EASY TO INSTALL: The slide guide rail has enough length, can be installed well, and fits perfectly with the 3D printer, which is stable and reliable.5. STABLE OPERATION: The linear slide rail is equipped with a slide block to ensure smooth and stable movement, with accurate and stable operation.Specification:Item Type: Linear Rail Guide KitProduct Model: MGN12CProduct Length: Approx. 31cm / 12.2inApplicable Models: For Ender 3, for Ender V2, for Ender 3 ProMaterial: Stainless Steel, Aluminum Alloy.Package List:1 x Slide Rail12 x Screws8 x Nuts1 x Mounting Bracket