Slit Kit for Spectrometer

25 and 200um 50 and 200um 10 and 200um 100 and 200um 100 and 10um 100 and 50um 100 and 25um 10 and 25um 10 and 50um 25 and 50um 25, 50, 100 and 200um 10, 50, 100 and 25um 10, 50, 25 and 200um 10, 25, 100 and 200um