55341 Carbide Tipped Reversible Ogee 

Window Sash & Rail 1/8 Radius x 1-3/8 

Dia x 21/32 x 1/2 Inch Shank with Center Ball Bearing

Diameter (D)	1-3/8
Radius (R)	1/8
Cutting Height (B)	21/32
Shank (d)	1/2
Overall Length (L)	2-1/8
B1	1/16
B2	27/64