These are great micromotors and perhaps the best in the world. This one is 2-3 generations old. I have this one as well as a newer one and they are great tools.
GRS sells the optional 1.6mm collect for using dental burs. This is what I use for background removal with .4 and .5mm carbide ball burs.
The sellers is also accepting offers.
NSK ELECTER GX ON EBAY
GRS sells the optional 1.6mm collect for using dental burs. This is what I use for background removal with .4 and .5mm carbide ball burs.
The sellers is also accepting offers.
NSK ELECTER GX ON EBAY