Ryobi is now offering a 14-piece Forstner bit set, model number A9FS14, containing bits in sizes 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1-1/8", 1-1/4". 1-3/8", 1-1/2", 1-5/8", 2" and 2-1/8". The patented X-wing design of this bits provides increased visibility, with target marks viewable even at 700 rpm. The no-slip shank has a 3/8" diameter. Cost is $49.97 for the set.