Superior Parts M745H1 Spring Loaded Rafter Hook/Retractable Nail Gun Hanger for Hitachi NR83A2 & NR90AE For Hitachi Nailers, 1 Hole Bracket Allows the tool to be safely hung from joists, rafters, trusses, etc. Extends the life of the tool by protecting it from damage resulting from an accidental fall Easily hang tool from rafters for increased productivity. Retractable Hook to move out of way while not in use, making it more convenient than other hangers