LiteWave Sights, The ability to gather light from nearly any angle, along with the versatility of interchangeable LitePipes; Interchangeable style; 0.070" diameter LitePipes; Sight height is 6.5 mm fit all Glock model in 9 mm, 40 S&W and 357 Sig; All sight bases are solid steel construction; Includes three LitePipes in green, red and black; Litepipes store in LitePipe changing key; Fits GL2105-R/G