NDZ Performance for S&W Shield Rear Back Plate 9mm .40 Black Don't Tread on Me Snake Squares Billet Rear Slide plate for S&W SHIELD 9mm .40 Caliber ONLY 100's of High Quality Permanent Laser engraved images provided by NDZ Performance 100% Aircraft Grade Billet Aluminum, Mil-spec hardcoat anodized durable finish replaces stock plastic plate, quick install, requires NO modifications (backside is profiled after factory plate - see pic) All our accessories are Made in USA, in our facility