Good for work or experiments
Have 5pc. available all same condition, new old stock (may have light scratches at metal body, takes off new spectrometer )
Actual size 30x90mm with metal body
Crystal size 20x20mm Weight 150 g
Will be packed well and shipped by air mail - with tracking number.
Happy bidding.
If you need some more photos or have any questions - please send me a message.