Brand new and tremendous Material: Plastic Color: As photograph displays Size of RJMP-01-08: 8*16*25mm Size of RJMP-01-10: 10*19*29mm Size of RJMP-01-12: 12*22*32mm Features: 1. Corrosion-resistant, dirt proof, shock proof, noiseless, no injury shaft, neend't maintenance. 2. With advanced wear-resistance and apply thoroughly to rotation, swing and linear motion. 3. It is straightforward to complete the meeting by means of simply pressing in along with your hand. 4. Maintenance-free, self-lubricating, little need to refuel. 5. Reinforcing fibers, fillers and solid grease are added to the base material, in order that the bearings meet the performances of wear-resistance , high load, and lubrication. Notice: 1. The genuine coloration of the article could also be slightly various from the photographs proven on the web content brought on by many factors akin to brightness of your video display and light brightness. 2. Please allow slight manual size deviation for the data. Thank to your understanding. 3. 1cm=0.39''. Package Included: 1x Linear Bearing