Optimized Drive Gear Technology: Experience the precision of our drive gears designed specifically for K1/K1C/Ender3 V3 extruders. superior hardness but also minimizes friction, enhancing filament flow and reducing wear. Enhanced Durability: Crafted from, our drive gears are engineered to withstand rigorous use, making them ideal for long-term operation in diverse machining environments. The high-strength design ensures that the gears maintain consistent performance, even under high pressure and varying temperature conditions. High Compatibility & Easy Installation: Perfectly compatible with for K1/K1C/Ender3 V3 3D printers, this drive gear installs easily, ensuring a perfect fit and effortless replacement or upgrade, maximizing your printer's performance without the need for frequent adjustments. Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:Black Material:Hardened steel Package Contents: 1x Hardened Steel EXtruder Gear kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.