Millennium Receiver Mount w/camLOCK Ratchet Strap M102S. The nylon strap design is great for weight-conscious stand use Features of Millennium Receiver Mount: Used for M50 & M100 Series Simple to operate and get tight to the tree Specifically designed male fitting slips easily and quietly into the quick mount receiver of the M100 stand to lock it into position A must have for any Millennium hang-on tree stand owner Package Contents: Millennium Receiver Mount Extra mount that allows users to preset multiple stand locations for quick easy hanging. For use with M7 M50 M60U M100U and M150 stands. Attaches to tree using the included ratchet strap.