Precision-machined inner driveshaft adapters for use #335100 Multi-Diffâ„¢¨ for XRAY NT1. Includes hex hole in shaft end for #335120 locking axle. Manufactured from tough HUDY Spring Steelâ„¢¨. Shafts are precision ground and polished for smooth operation.â¢æ¢¨ CNC-machined Multi-Diffâ„¢¨ driveshaft adaptersâ¢æ¢¨ Hex slots for locking axleâ¢æ¢¨ World-renowned HUDY Spring Steelâ„¢¨â¢æ¢¨ Long life, super toughâ¢æ¢¨ Precision-ground & polished shafts