ARIES C2891 RidgeStep Black Steel 91 Inch Truck Running Boards, Brackets Sold Separately 5 inch Fits select Chevy GMC 120893 Fits select Chevy GMC short bed trucks with puck system (year range specific) Quarter turn anchoring system provides quick installation and removal Adjustable anchors to eliminate chucking between the legs and under bed platform R16 5th wheel roller #16560 provides 12" of travel in the truck bed Lockable handle self resets to the ready to couple position after uncoupling Cast yoke with poly torsion inserts to suppress shock loads and reduce noise Fully articulating torsion head for controlled coupling and stable towing High strength Ultimate Connection 11 1 4" Square Coupler Tube with associated hardware (Gooseneck Mount only) Includes grille guard and mounting hardware Each one is made with a vehicle specific design for a better fit