Outside diameter 4 1/2"
4"OD available by special order
Minor Diameter 3 1/2"
1 1/4" Bore
Versatile and easy-to-use.  These 6 cutter sets are designed to perform the 3 functions shown. Freeborn's standard sets cut 1/4” wide 
x 3/8” deep tongue and groove. Counterclockwise rotation with wood fed face down.

STRAIGHT TOP GROOVER MC LINE (3/4″Bore)
1/2″ Width

Ideal for cutting grooves, rabbets, and for flush trimming.