Welcome to our store! 1. Easy to Use: The spool holder is a pre-assembled stand, no tools required, simple and quick to install. The bearing may feel slightly stiff when used for the first time, add more lubricant, and it will work smoothly. 2. Smooth Bearing Design: The filament spool holder uses the latest technology. The silicone-coated mat has better adhesion than before, and the holder is not easy to slip. 3. Smooth and Low Resistance: The bearing is covered with a ring to prevent it from getting stuck due to oxidation. It glides smoothly and reduces all friction against 3D printer filament. 4. Broad Application: The filament holder is often used at the printer's outlet to ensure a stable flow of the consumable line. 5. Slip-Resistant and Durable: Equipped with a slip-resistant mat to improve friction. The track is durable and can be used with confidence. Product Type: 3D Printer Filament Holder Material: ABS Pack List: 2 x 3D Printer Filament Holders Package Weight: Approximately 200 grams. Satisfaction Guaranteed: Customers are our top priority. If you find any issues with the product, contact the seller immediately. We strive to provide satisfactory customer service.