ITEM NAME:4 Pcs/Set Professional PU+Metal CNC Bearing Wheels for Wooden Fingerboard W6J6 4 Pcs/Set Professional PU+Metal CNC Bearing Wheels for Wooden Fingerboard W6J6 This fingerboard wheels are made by high quality PU material, durable use in long time, precision machined to ride fast and smooth. Bearing is included ! Several colors available but note that we will send in random. To get one now, it is time to upgrade the old and weak fingerboard wheels. 100% brand new and high quality. Material: PU+Metal Color: Send in random Dimension: Approx. 7 X 4 mm / 0.27"X0.16" One set included 4 Pcs Package Includes: 1 Set X Fingerboard Wheels ( 4 Pcs) Note: Random color, don't accept the specified color. 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..1 Set X Fingerboard Wheels ( 4 Pcs). Bearing is included ! Several colors available but note that we will send in random.