Laser engraved
Fits all Glock Models 17, 17L, 19, 19X, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 30sf, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, and 45