With our revolutionary Litewave design now you can change colors quickly in our rear sights. 0.070" diameter litepipe. Sight height is 6.5 mm for use with all Glock model in 9 mm, 40 S&W and 357 Sig. Interchangeable style front sight, includes three litepipes in green, red and black. Litepipes store in litepipe changing key.