Threaded steel ball rod end is for mini kossel delta 3D printer magnetic ball joint system.
Each printer will need 12 pieces.
You'll need M4 x 20mm grub set screws to make connection with the carbon tube & 12 magnet for the joints.
Outer Diameter: Φ10 (mm)
Material: Stainless Steel
16 x M4 Threaded Stainless Steel Ball