Kit includes "Suit button lens cover" and 4 extra buttons, "Shirt button lens cover" and 8 extra buttons, "Cuff button lens cover" and 8 extra buttons, "Phillips screw lens cover"  and 4 extra Phillips screws with nuts, "Hex screw lens cover " and 4 extra hex screws with nuts. Hard case keeps all parts organized. Great for covert use with "pocket DVRs". Quality manufactured in Japan.