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