![XRAY XB4 2021 MSC Aluminum Slipper Nut (XRA364191) XRAY XB4 2021 MSC Aluminum Slipper Nut (XRA364191)](https://cdn11.bigcommerce.com/s-5vlc028nu9/images/stencil/500x659/products/62606/54100/XRA364191__25249.1700675278.jpg?c=2)
This is a replacement XRAY XB4 2021 MSC 3-Pad Shaft.
3-Pad Shaft for Multi-Adjustable Clutch made from HUDY Spring Steel and additionally hardened for extra lifespan and reliability. Narrower design reduces rotation mass. Additionally hardened, and with a black final surface treatment.