Features: Keep your 3D printing materials organized and easily accessible with this set of 2 independent filaments spool holder. With independent rack design, these racks makings it easy to replace materials and improve work efficiency. Suitable for offices, schools, and libraries that frequently change printing materials, these racks can be used for various printing tasks in different setting. Perfect for offices, schools, and libraries that frequently change printing materials, these racks can be used for various printing tasks in different setting. Upgrades your printing experience with these racks and enjoy a more efficient and convenient material replacement process. Specifications: Material:ABS+Metal Color:Black Size:Approx.150x20mm/5.9x0.78in for 3/MK3S/VORON 3D Printers Suitable for 0.5-5kg Holder; Package Includes: 2xFilament Holder(with Accessory and Tool) note: Please allow 1-2cm errors due to manual measurement,please make sure that you donot mind befores you order. Due to the differences between different monitors, the picture may not reflect the actual item color.