Delta M4 Thread 12Pcs Ball Head+12Pcs Ball Buckle Replacement Part Repair Accessory For 3D Printer Before you buy it, please make sure you know how to use it, thanks. Product features: Thread: M4 Compatible:For 3D Printer Package included: 12x ball head 12x ball buckle

• Brand new and high quality.
• Thread:M4
• Compatible with 3D Printer
• Package included: 12x ball head ,12x ball buckle
• Before you buy it, please make sure you know how to use it, thanks.

Brand new and high quality.Guangzhou Ake Information Technology Co., LTD