Grating Holder

Spare Grating Holder suitable for all types of BESTO Spectrometers. All brass black painted.It can accommodate all types of BESTO
gratings & slides.Tapped hole M6 is provided at the bottom for mounting of 9.5mm dia. rod.It can be used in optical bench with rod 
& after removing rod, it can be used on all types of our BESTO spectrometer.