54161 Carbide Tipped Corner Round 1/16 

Radius x 45/64 Dia x 5/16 x 1/4 Inch Shank

Diameter (D)	45/64
Radius (R)	1/16
Cutting Height (B)	5/16
Shank (d)	1/4
Overall Length (L)	1-11/16
B1	1/8
Replacement Bearing	47716
Flutes	2
D1	5/8