Dead Ringer Pro-Pak Fiber Optic Front Sight Set Fits Most Guns Dr4409 Dead Ringer's Pro-Pack Includes Three T-5 Aluminum Bases With Magnetic Packs To Allow Hunters Simultaneous Use On Multiple Guns. It Also Includes Uni-Bead And Accu-Bead Low Profile Universal Sights, Interchangeable Optical Lexan Light Pipes (10X stronger Than Fiber Optic rods) With a Twist Lock keyway, And Universal screws. The Pro-Pack Also Comes With a carrying Case. Type: Fiber Optic Bead Frame Material: Aluminum Frame Color: Black Firearm Fit: Shotgun Base Configuration: Universal Style: Fiber Optic Bead Front Material: Aluminum Front Color: Green/Red/White Windage Adjustment: No Elevation Adjustment: No Fiber Diameter: 2mm Firearm Type: Shotgun