SPECS: Steel, blued, matte finish. Sight heights same as factory. +0 sights fit Glock 17, 19, 22, 23, 24, 34, 35. +1 sights fit Glock 20, 21, 26, 27, 28, 29, 30, 31, 32, 33, 36. Rear sights only can be used with factory fronts. Includes screws, hex wrench and instructions.