ITEM NAME:2pcs 8mm SI8T/K Threaded Self-Lubricating Rod End Spherical Plain Bearing C1O9 2pcs 8mm SI8T/K Threaded Self-Lubricating Rod End Spherical Plain Bearing C1O9 Self-lubricating rod end bearing Type: Spherical Plain Bearing Model: SI8T/K Inner Diameter: 0.31inch / 8mm Thickness: 0.35inch / 9mm Material:F1 Carbon Steel Package Includes:2pcs * 8mm SI8T/K Threaded Rod End Spherical Plain Bearing 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.