INJORA Steel Heavy-Duty Drive Shaft for 1/10 RC Car Crawler Axial SCX10 90046 AXI03007 TRX4 Redcat Gen8
Features:

Universal Joint Style
Hardened Steel Construction
Splined Engagement, Fit 5mm output shaft
4mm Set Pins included to attach to pinion and transmission
Scale Joint and Spline diameter size for realistic appearance

Specifications:

Material: Hardened Steel
Innter Diameter: 5mm (for 5mm shaft)
Center Shaft Diameter: 8.8mm
Weight: 34g 37g 41g 44g 50g 54g
Screw pin size: M4*12mm
Required tool: 2.0mm hex screwdriver

Total Length:

68-86mm (2.68-3.39in)
84-102mm (3.31-4.02in)
94-119mm (3.70-4.69in)
104-139mm (4.09-5.47in)
119-159mm (4.69-6.26in)
129mm-179mm (5.08-7.05in)

For SCX10 II: Front:104-139mm or 119-159mm, Rear: 119-159mm
For 313mm TRX4: Front: 84-102mm, Rear: 94-119mm
For 324mm TRX4: Front: 94-119mm, Rear: 104-139mm
For 336mm TRX4: Front: 104-139mm, Rear: 119-159mm
Package List:

1* Drive Shfat
2* Screws