Threaded For 1/4 in.-20 x 0.625 in. GPS Ball Mount; CNC Billet Aluminum Magnum Grip Handle; Ergonomic Feel w/Aggressive Styling; MIL-Spec Black Anodized Finish; Adjustable Fore/Aft Positioning; Grip Plates That Incorporate Diamond Design Pattern For Sure Grip; Adjustable w/Multiple Fore And Aft Settings; Includes All Necessary Hardware; Includes Easy To Follow Installation Instructions; Includes Grab Bar Assembly