Improve the performance of your Colt or Rock Island 1911 with the new LITEWAVE(R) sight. Our bright and ultra-durable LITEWAVE(R) sights will enhance your confidence and shooting experience.Features: LITEWAVE(R) interchangeable LitePipe design Includes green, red and white Litepipes All steel construction LitePipe diameter 0.090 Blade width 0.125 X 0.180 tall Limited lifetime warranty under normal conditions and proper use of firearm Replacement LitePipe Handgun version #5 Fits Novak style dovetail .330? x .075? x 65deg.