Diffraction Grating (Replicated)

PI 15000 L (Produced from the master grating of 6th or 7th generation) Good quality for standard work as well as economical (Produced from the master grating of 2nd generation) Our BESTO make 15000 LPI (lines/inch) (Approx 560 lines /mm, total 14200 lines/inch) Generally we mark 15000 line/inch on said grating as per market demand. Window size 25x39mm Our BESTO make 15000 LPI (lines/inch) (600 lines /mm, total 15000 lines/inch) This grating has proper 15000 lines/inch & brightness is very good.