Improve the performance of your Glock with a hiviz 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 - fits: all Glock models in 9mm and 40 S&W. Specifications: - rear sight height: 0.224 - notch width: 0.140 - front sight: 0.215 - tall: 0.120 wide