The set includes the following 2" wide x 3" dia. Anvil Wheels.  These can be used on the 22B or, with the optional 2" yoke, they work on the 44F for small parts. Precision machined from 1045 pre-hardened steel.

(1) 8.50R

(1) 5.00R

(1) 3.25R

(1) 2.50R

(1) 1.00R

(1) Flat