CMT 660.851.11 Rabbeting Bits w/Insert Knives 1-3/8" x 15/32" (H=1/2") S=1/2"The CMT 660. 851. 11 is a 1 3 8 inch rabbeting router bit with two replaceable insert knives, standard bearing (791. 002. 00), and 1 2 inch shank. Cutting height 1 2 inch. For creating rabbets, inset doors, and drawer fronts in hardwood, softwood, and MDF. Use with the optional rabbeting bearing set (791. 703. 00) for 7 different rabbet widths from 1 8 inch to 1 2 inch. SPECIFICATIONS Order Number 660. 851. 11 Cutting Diameter 1 3 8" Rabbet Depth (H)