Arm Trigger Metal Frame Case Mechanical Arm Metal Bumper for Apple Iphone 6 4.7" (gray) For Apple Iphone 6 4.7" premium Mechanical Arm Metal Aluminum bumper Frame Only one Screw and no tools needed,very easy to put it on. modular frame may correspond to future upgrades aside headphone hole, the sound hole, and charging port position, the various functions easily control! iphone6 4.7" Design Tactical edition premium Mechanical Arm Metal Aluminum bumper Frame