Each of these sockets has 3/4" square drive opening, permitting the use of an extension and torque wrench to tighten the locknut as required. Locknut removal and installation is simple, even when wide-rim wheels are involved, since a long extension may be attached to the socket to provide the necessary clearance. sockets are made of high-strength steel; openings resist "rounding out"
Socket No | Opening size | Socket No | Opening size | Socket No | Opening size |
1901 | 2-3/32"(6pt.) | 1906 | 3" (6pt.) | 1914 | 4" (6pt.) |
1920 | 2-1/4"(6pt.) | 1907 | 3" (8pt.) | 1915 | 4-1/8"(6pt.) |
1900 | 2-1/8"(6PT) | 1934 | 3-1/8"(6pt.) | 1940 | 4-1/8"(8pt.) |
1902 | 2-3/8"(6pt.) | 1935 | 3-1/8"(8pt.) | 1916 | 4-3/8"(6pt.) |
1936 | 2-3/8"(6R) | 1908 | 3-1/4"(6pt.) | 1917 | 4-3/8"(8pt.) |
1903 | 2-3/8"(8pt.) | 1909 | 3-1/4"(8pt.) | 1938 | 4-1/2"(8pt.) |
1921 | 2-1/2"(6pt.) | 1924 | 3-3/8"(8pt.) | 1941 | 4-13/16"(8pt.) |
1904 | 2-9/16"(6pt.) | 1910 | 3-1/2"(6pt.) | 1918 | 4-7/8"(6pt.) |
1905 | 2-9/16"(8pt.) | 1911 | 3-1/2"(8pt.) | 1919 | 4-7/8"(8pt.) |
1928 | 2-9/16"(6R) | 1925 | 3-3/4"(8pt.) | 1939 | 5-1/4"(6pt.) |
1922 | 2-5/8"(6pt.) | 1926 | 3-3/4"(6pt.) | ||
1923 | 2-3/4"(6pt.) | 1927 | 3-13/16"(8pt.) | ||
1937 | 2-3/4"(8pt.) | 1912 | 3-7/8"(6pt.) | ||
1932 | 2-7/8"(6pt.) | 1913 | 3-7/8"(8pt.) | ||
1933 | 2-7/8"(8pt.) |