Made of High Quality Meterial, Stronger And More Easy to use,Easy to replace The use of universal junction structure, the use of round brass beads in the middle, with small rotation sound, small virtual position, transmission Angle and other key points. Spline using six bite design, transmission torque is large, not easy to deform, small sound. Note: In the size picture, for example, 79-102mm is the distance from hole to hole. 85mm is the shortest distance. The following is the recommended size for commonly used models. When choosing the size of shaft, consider that the length is a little longer than the shortest size. At the same time, the time can be used without falling off Colour:Black Material:Metal Size:145-190mm Package Contents: 1 x RC Car Flange Drive Shaft CVD Only the above package content, other products are not included. Note: Light reflection 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.