Features: New and high quality This material rack with two bearings helps reduce the pulling force on the extruder when feeding consumables, which can help reduce extruder slippage Made of metal and plastic, providing stability and durability Easy and quick to install The 3D printer filament holder is rotatable, helping prevent filament tangling and making it convenient to use Compatible with Ender-3 series, CR10 series, and fits most 3D printers Specifications: Material: Plastic + Metal Type: Barrel/Sheet Metal/Barrel and Sheet Metal Size: Approx. 110 x 30mm / 4.33 x 1.18 inches Note: 1. Please allow 1-2cm errors due to manual measurement. Ensure you are comfortable with this before ordering. 2. Due to differences in monitor displays, the image may not reflect the actual color of the item. Package includes: 1 Set 3D Printer Filament Holder