The Creality Ender 3 Y Axis Belt Tensioner is a high-quality 3D printer part designed specifically for the Ender 3 3D printer. Made from durable aluminum material and featuring a sleek black color, this belt tensioner ensures precise and reliable performance. With a manufacturer warranty of 2 years, users can trust in the longevity and quality of this essential component for their 3D printing needs. Suitable for use with 1.75mm filament diameter, this belt tensioner from Creality is a must-have for maintaining optimal printer function and efficiency.