4 Pcs SBR12UU 12mm Aluminum Open Linear Router Motion Bearing Solide Block 

Specification:

100% Brand new and high quality
Made from aluminum material
Model: SBR12UU
Shaft diameter: 12mm
It is used for the design of linear motion products. It can cooperate with open linear bearing to ensure excellent sports performance under high load or long stroke occasions.
Sell number is 4 each time
Color: As shown in the picture
Material: Aluminum
Dimension: Approx. 39×40×27mm(L×W×H)
Note: Due to the difference between different monitors and the light influence on the camera, the picture may be a little different from the actual color of the item. Thanks for your kind understanding.

Included:

4 x SBR12UU 12mm Aluminum Open Linear Router Motion Bearing Solide Bloc