High quality: Made of high-quality materials, the product is . Scope of application: applicable to RC Crawler Car Fine workmanship: fine workmanship, looks very beautiful. Easy to use,Easy to replace If you have any questions, please contract us and we provide you with satisfactory solutions Quality high-quality material, CNC machined Extremely compact to solve fitment issues associated with larger driveshafts One size fits most: Cut to length design. Simply chose your length, cut off of the shaft, and assemble with a set screw Length range 85mm-230mm With standard 5mm input/output ends Shaft etched with millimeter measurements to assist with measuring and cutting Splines are keyed for proper u-joint alignment Designed for Crawlers, Scalers and (not intended for rock bouncers or Formula Off Road cars) Universal Joint Diameter: 12mm Shaft Diameter: 6mm Slip-end/U-joint end Hole: 5mm Length: 85mm-230mm Weight: 73g Color: As Shown Material: Metal Package Contents: 1 * rc upgrade parts kit 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.