Item Type: J-head Model Number: Extruder back Support Plate with pulley Condition: New 100% Usage: 3D Printer parts colour:black Material:Metal + plastic Package Contents: 1 * Extruder Back Support Plate 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.