57165 Carbide Tipped 4 Wing Cut Out Solid Surface 

3 Dia x 3/16 x 1/2 Inch Shank x 27/32 Depth of Cut

Diameter (D)	3
Cutting Height (B)	3/16
Shank (d)	1/2
Overall Length (L)	3-5/32
Replacement Collar	47739
Replacement Bearing	47745,47747
C	7/8 & 1