Superior Parts M745H2 Spring Loaded Rafter Hook / Retractable Nail Gun Hanger for Hitachi NR83A & Max SN890CH2 For Hitachi, 2 Hole Bracket Allows the tool to be safely hung from joists, rafters, trusses 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