Features Professional Leveling Solution: Upgrade your 3D printer with KOONOVO's specialized leveling nuts designed for precise adjustments and optimal performance Durable Construction: Crafted from high-strength plastic, these components ensure longevity and resistance to wear, providing reliable support for your printing needs Essential Replacement Parts: Ideal for replacing worn-out or damaged components, ensuring your printer maintains its best functionality without interruption Complete Accessory Set: This kit includes 4 nuts, 4 springs, and 4 screws, providing everything you need for a comprehensive upgrade to your 3D printer setup Perfect Compatibility: Specifically designed for KOONOVO 3D printers, ensuring a seamless fit and enhanced printing accuracy with every use Features: 1、KOONOVO special leveling nut replacement, more professional and more suitable for you. 2、Made of high-strength plastic, it is not easy to break and has a long service life. 3、Great replacement for the worn-out or damaged parts. 4、This set is a special accessory for KOONOVO 3D printer. 5、The set contains 4 nuts, 4 springs, 4 screws. Specification: Item Type: Hot Bed Leveling Kit Brand: KOONOVO Model: M4 Material: Plastic Diameter: Approx. 52mm / 2in Package List: 4 x Nut 4 x Spring 4 x Screw Package List 4 x Nut 4 x Spring 4 x Screw