Foredom Ruby Carving Bits

St'd or coarser grit Ruby Carver in a large tree shape have ruby crystals firmly bonded to a metal frame. Coarser grit Rubies provide faster material removal over fine grit but leave a slightly rougher finish. They are especially good on wood. 8.5mm head dia. x 16.0mm head length, 2.35mm shank (3/32").