The 1946 catalog shows the opening at 45 degrees, the 1953 catalog show a zero degree opening. Marked BluePoint and ran basically unchanged into the 1980s
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 |