343421 Stepped Rabbet Bit, 1/4" Height, 3/8" x 3/8" Depths
Product information:
Stepped Rabbet Bit, 3/8" x 3/8" Rabbet Depth x 1/2" Shank
Stepped Rabbet Bit, 3/8" x 3/8" Rabbet Depth x 1/2" Shank