First Tool Storage Series- The K series Once the model is identified, the catalog section has the best description NameDates Mechanikit (K-1)1925 – 19311931 Cat H p621932 Cat I p721933 Cat J p721948 Cat S p9 Tool Truck1925 – 1929 Handy Man Tool Holder1926 – 1929K-11931 – 19321931 Cat H p621932 Cat I p721933 Cat J p721948 Cat S p9K-21929-19311929 Cat G p781931 Cat H p62K-31932 – 1937K-41932 – 1937K-51931 – 1939See catalog N p 52K-5A1939 – K-61932 – 1937 K-6A1939 – K-71931 – 1935K-91932 – 1948K-101932 – 1948K-111932 – 1948Same as below except colorK-21W1934 – 1946K-211934 – 1939K-221935 – 1946K-231935 – 1939Same as above in wrinkle grayK-23-W1937 – 1945K-241935 – 1946K-251935 – 1946K-200 is close to the K2601939 – 1946K-260 is the base onlyRoll-Cab Combination1941 –K-301937 – 1939 K-33A1939 –K-371941 – 1945K-3001941 – 1946K-55R1941 – 1946Same as above in gray wrinkle coat K-55W1941 – 1946K-5001937 –K-601939 – 1946K-65A1939 –slight variation of above K-65R Midget1941 – 1946K-701936 – 1939K-77 is the same as K-77W but is redK-771941 – 1946K-77W1945 –