Product Description:Material: aluminum material. Dimension: 68*29*13.8mm  beautiful appearance, carry is no longer cumbersome, nice and fun.Features:no glue, fully rely on precision CNC lathe control size (tolerance silk, science: 1mm = 100 side), can replace the bearings themselves.configuration

Product Description:Material: aluminum material. Dimension: 68*29*13.8mm  beautiful appearance, carry is no longer cumbersome, nice and fun.Features:no glue, fully rely on precision CNC lathe control size (tolerance silk, science: 1mm = 100 side), can replace the bearings themselves.configuration ------- special custom, the bearing is a hybrid ceramic bead lowermaterial: AluminumTurn: at least 2 minutes Package included:   1 x Fingertip Gyro