Stock number

Size

Date Range 

RX – 12

3/8

1939-1967

RX- 14

7/16

1939-1967

RX- 16

½

1939-1967

RX-18

9/16

1939-1982

RX-20

5/8

1939 – 1982

RX-22

11/16

1939-1982

RX-24

¾

1939-1982

RX-26

13/16

1939-1982

RX-28

7/8

1939-1982

RX-30

15/16

1939-1982

RX-32 

1

1939 – 1982

RX-34 

1 1/16

1939 – 1982

RX-36 

1 1/8

1939 – 1982

RX-38 

1 3/16

1939 – 1982

RX-40 

1 ¼

1939 – 1982

RX-42 

1 5/16

1939 – 1982

RX-44 

1 3/8

1939 – 1982

RX-48 

1 ½

1939- 1982

RX-52 

1 5/8

1939 – 1982

RX-62

1 15/16

1950