Features: Enhances your 3D printing experience with the Back Support Plate, design to provide stable support and secure fixation for fan covers and extruders, ensuring smooth operation and precise in every print. Crafted from high grade metal, this backplate is durability and features oxidized treatments for dust resistance, while its pulley design allows for adjustable tightness and stable sliding aluminum profile. Suitable for CR 10 Extruder 3 printer enthusiasts, DIY hobbyists, and technical professionals who require reliable equipment stability, this product meets the demands of both novice and experienced users. Perfectly suited for use in 3D printing studios, laboratories, and maker space, this support plate offer versatility across various setups. Easy installation makes it a convenient addition to any 3D printer setups, enhancing functionality and ensuring long last performances with minimal frictions and quiet operation. Specifications: Component:Aluminum Alloy Size:Approx.6.4x4.7x2cm/2.52x1.85x0.79inch Color:Black; for CR 10 Ender 3 Printers; Package Includes: 1pc Extruder Back Support Plate note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.