Description:High strength and robustness make it have a long service life and not easy to deform. The characteristics of wear and corrosion resistance make it very reliable and useful.The burr-free feature makes it not hurt your hands. And the exquisite processing technology allows it to be used for a long time in an environment of -50 degrees Celsius to 90 degrees Celsius.Made of bearing steel material, it is very durable to use.The length of this product is 2.45cm, the width is 2.45cm and the height is 1cm.It is suitable for many models of 3D printer.Item Name: PulleyMaterial: Bearing SteelModel: 625ZZFeature: High Strength, Not Deformed, Fine WorkmanshipProduct Applicable Models:for Ender-3, for Ender-3 S, for Ender-3 PRO, for Ender-3 V2, for Ender-5, for Ender-5PLUS, for Ender-6SE, for CR-10, for CR-10S, for CR-10X, for ANYCUBIC 3D Printer, for Mega Zero 2.0Size Details: Size: 2.45cm x 2.45cm x 1cm/0.96" x 0.96" x 0.39" (Approx.)Notes: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.Package Includes:1 x Pulleyor13 x Pulleys