This package carries (a)-(b):

(a) 1 Piece of B20 Diamond Router Bit for 20mm (3/4") Thick or High stone concrete travertine granite marble to do Demi Shape Bullnose. 5/8"-11 Female Thread arbor.

(a) 1 Piece of E20 Diamond Router Bit for 20mm (3/4") Thick or High stone concrete travertine granite marble to do Bevel Shape Bullnose. 5/8"-11 Female Thread arbor.