Improve the performance of your Kimber 1911 with a Hi-Viz light wave sight. Their bright and ultra-durable Hi-Viz sights will enhance your confidence and shooting experience. Features: - Hi-Viz interchangeable LitePipe rear sight - replacement LitePipe light wave rear sight LitePipe - includes green, Red and black Lite pipes - all metal construction. Specifications: - fits: all Kimber 1911's with fixed rear sights (except Micro and solo) - LitePipe diameter: 0.078" - height rear sight: 0.140" wide notch