Item Type: Model Number: 5347 rod end Usage: 3d printer arm finish joint Product ID :-01 colour:black & silver material:Metal + plastic Package Contents: 12*Rod End Ball Joint Only the above package content, other merchandise are not included. Note: Light mirrored image and various exhibits can cause the color of the article within the photo somewhat assorted from the real thing. The size allowed error is +/- 1-3cm.