This bracket is designed for compatibility with almost all cross sectioned masts that have a bolt rope track. The package includes a hex key, a strip-resistant stainless steel slug, and all the necessary screws, nuts, and washers for attaching a cradle to the bracket and the bracket to your mast. The design also allows for lines to pass behind the cradle. Compatible with Velocitek products Prism, ProStart, and SpeedPuck.