Specifications: Industrial grade stainless steel CNC Machined -Joint for super operation High operating angle Direct fit, no modification needed Fits 1/14 RC Tractor Truck 1/10 RC Car Specifications: Material: Stainless Steel Color: Silver Shaft Body Diameter: 8.8mm Hole size: 5mm Style: 94-120mm How to measure which shaft is for your project: 1. Measure the diameter of your output shafts on the tranny and input shafts on the axles to see if they are 4 or 5mm. 2. Measure from output shaft to input shaft to get the correct measurement of your total length needed. Package Contents: 1 x Drive Shaft for RC car 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.