Made of CNC aluminum alloy, with high processing precision, high temperature resistance, not easy to deform, strong structure, easy installation, and can the stable operation of the printer for a long time All bearing rotating shafts are replaced by pins instead of screws, which makes the rotation smoother, more accurate, and more Supports Y limit switch installation, and provides M12x1.5 cable connector mounting bracket, which can make the extruder cable neater and more Colour:Black Material:Aluminum alloy for 2.4 R2 (Due to different lighting or display, the actual product may have color difference) Package Contents: 1 x Motor seat 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.