Improve the performance of your Glock with a HIVIZ(R) sight set. Our bright and ultra-durable HIVIZ sights will enhance your confidence and shooting experience. Features: HIVIZ interchangeable LitePipe for front and rear Sight Includes green, red, black and white Litepipes All metal construction LitePipe diameter, front sight 0.090, Rear sight 0.078 Rear sight height 0.224, notch width 0.140, front sight 0.215 tall by 0.120 wide Replacement LitePipe Handgun version # 6, rear interchangeable litepipe Limited lifetime warranty under normal conditions and proper use of firearm Fits: All Glock models in 9mm and 40 S&W. does not fit model 42/43