My suggestion is to get a
My suggestion is to get a lap grinder where the disks mount to the wheel magneticly rather than the arbor in the middle. The magnetic-mounted disks provide more working surface.
I have a Glastar B4 with a 120 grit pad, a 400 grit, diamond resin pad, and a felt pad to be used with cerium oxide.
Jester’s Baubles Fused Glass Designs