Z axis synchronous wheel+belt The 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. Model Number: pulley+ belt Product specifications: 24-tooth synchronous wheelx2PCS and 1068mm belt Suitable for TRONXY X5SA/X5SA PRO/X5SA-2E 3D PRINTER Belt Length: 1068mm Tooth: 24 / 20-tooth synchronous wheelx2PCS and 1440mm belt Suitable for TRONXY X5SA-500/X5SA -500PRO/X5SA-500-2E 3D PRINTER Belt Length: 1440mm Tooth: 20-tooth / 24-tooth synchronous wheelx2PCS and 1210mm belt Suitable for TRONXY X5SA-400/X5SA -400PRO/X5SA-400-2E 3D PRINTER Belt Length: 1210mm Tooth: 24 Material:metal colour:Black, Silver<br><br>Package Contents: 2 x 24-tooth synchronous wheel 1 x 1068mm belt / 2 x 20-tooth synchronous wheel 1 x 1440mm belt / 2 x 24-tooth synchronous wheel 1 x 1210mm belt Only 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.