Spring Loaded Innovation: Our Nuts Feature A Spring Mechanism That Minimizes Backlash, Offering A More Stable And Precise Printing Environment. Precision Printing: Experience Flawless Printing With Our Elimination Gap Nuts, Engineered To Work Seamlessly With Your 8mm Acme Threaded Rod. Compatible Upgrade: Ideal For Users Of CR10, CR-10S, Ender-3, Ender 3S, Ender3 Pro, And Tornado Machines Looking To Enhance Their Printing Capabilities. Durable Design: Constructed From High-Quality Brass, Our Nuts Offer Superior Durability And Corrosion Resistance. Effortless Upgrade: Quickly And Easily Install Our Nuts To Noticeably Improve Your 3D Printer's Performance And Printing Quality. Unleash the full potential of your 3D printer by incorporating our anti-backlash nuts, tailored to perfection for a superior printing experience. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store