Hammerhead Screw Drivers
Catalog drawing from 1931 and the design change in 1948
In 1931 Snap on introduced the Hammerhead Screw Drivers with an improved type of driver, Skipped in 1934 and introduced again as a new product in 1935.
Number stayed the same, but design changes in 1948
Part Number | Length | Date |
H-48 | 5 inch | 1931 – 1937 |
H-49 | 6 inch | 1931 – 1937 |
H-50 | 7 inch | 1931 – 1937 |
H-50B | 7 inch | 1939 – 1970 |