First Tool Storage Series- The K series
Once the model is identified, the catalog section has the best description
| Name | Dates |
| Mechanikit (K-1) | 1925 – 1931 1931 Cat H p62 |
| Tool Truck | 1925 – 1929 |
| Handy Man Tool Holder | 1926 – 1929 |
K-1 | 1931 – 1932 1931 Cat H p62 | |
K-2 | 1929-1931 | |
K-3 | 1932 – 1937 | |
K-4 | 1932 – 1937 | |
K-5 | 1931 – 1939 | |
See catalog N p 52 | K-5A | 1939 – |
| K-6 | 1932 – 1937 |
| K-6A | 1939 – |
| K-7 | 1931 – 1935 |
K-9 | 1932 – 1948 | |
K-10 | 1932 – 1948 | |
K-11 | 1932 – 1948 | |
Same as below except color | K-21W | 1934 – 1946 |
K-21 | 1934 – 1939 | |
K-22 | 1935 – 1946 | |
K-23 | 1935 – 1939 | |
Same as above in wrinkle gray | K-23-W | 1937 – 1945 |
K-24 | 1935 – 1946 | |
K-25 | 1935 – 1946 | |
K-200 is close to the K260 | 1939 – 1946 | |
K-260 is the base only Roll-Cab Combination | 1941 – | |
K-30 | 1937 – 1939 | |
| K-33A | 1939 – |
K-37 | 1941 – 1945 | |
K-300 | 1941 – 1946 | |
K-55R | 1941 – 1946 | |
Same as above in gray wrinkle coat
| K-55W | 1941 – 1946 |
K-500 | 1937 – | |
K-60 | 1939 – 1946 | |
K-65A | 1939 – | |
slight variation of above
| K-65R Midget | 1941 – 1946 |
K-70 | 1936 – 1939 | |
K-77 is the same as K-77W but is red | K-77 | 1941 – 1946 |
K-77W | 1945 – |