for Smith & Wesson SD9 SD40 Back Plate Black NDZ Don't Tread on Me Snake Squares for S&W Self Defense VE 9mm & .40 SD9 SD40 Rear Slide Plate Black 1000+ High Resolution Permanent Laser engraved images, will not rub off, not painted, custom engraving too - by NDZ Performance 100% Aircraft Grade Billet Aluminum, Mil-spec hardcoat anodized durable finish Replaces Stock Plastic Plate, Quick Install, Requires NO Modifications All Our Accessories Are Made In USA, In Our Facility - Comes In NDZ Packaging