Model Number: pulley+beltBelt Length: 1068mmtype: 24-tooth synchronous wheelx2PCS and 1068mm belt Suitable for TRONXY X5SA/X5SA PRO/X5SA-2E 3D PRINTERThe Z-axis is driven synchronously, rising synchronously, balancing the left and right Z-axis, making the accuracy of the X5SA3D printer's printing more accurate and making the Z-axis motor more powerful.colour: blackMaterial: plasticPackage Contents:2 x 24-tooth synchronous wheel1 x 1068mm beltOnly the above package content, other products are not included.Note: Light shooting 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.