Oriel coated optical Mirrors these mirrors are coated for work with lasers, IR, or light filtering exact use in unknown. 2 each reusable anti vibration mirror mounts with adjustable angles of deflection One is 3 x 3.3 with a 5 7/8 long, 11/16 dia stem One is 2 x 2 with a 4 long, 1/2 diameter stem
