Ignition Nut and Screw Driver Handles

Nut driver

The first version is shown here and as the OctoGrip style came available, the same number changes handles. This was in the 1948 to 1950 period

Snap on Model number	Description	Date Range
TM-4	Screwdriver type handle does not have a ¼ hole	1946 – 1962
TM-4A	Plastic Grip Handle	1967 – 1987
TM-4B	Plastic Grip Handle	1995 – 1999
TM-4CS	Plastic Grip Handle has a ¼ hole at top can be used as an extension	1975
TM-40	Screwdriver type handle Shorty	1953 – 1960
TM-40A	Screwdriver with short shaft.	1962 – 1997
TM-40AS	Stubby Screwdriver with short shaft	1962 – 1987
TM-40ASA	Stubby Screwdriver with short shaft	1995 – 1999
TM-40B	Screwdriver with short shaft.	1995 - 1999
TM-40S	Screwdriver type handle Stubby Octogrip	1958 – 1960
TM-45	Plastic Grip Handle has a ¼ hole at top can be used as an extension	1958
TMR-4	Screwdriver type handle does not have a ¼ hole	1995 – 1999
TMRE-4R	Pistol Grip Ratcheting Driver	1999
TMW-4	Screwdriver type handle Wobble	1987
TMW-4A	Screwdriver type handle Wobble	1995
TMH240	Extra Long Shank Driver	1995 – 1999

Octo Grip Nut driver TM-4

Ignition Nut and Screw Driver Handles

The second version is shown here - The OctoGrip style came available, the same number changes handles. This was in the 1948 to 1950 period

Snap on Model number	Description	Date Range
TM-4S	Screwdriver type handle has a ¼ hole at top	1953 – 1960
TM-4AS	Screwdriver type handle has a ¼ hole at top This can be used as an extension	1962 – 1967
TM-4CS	Screwdriver type handle has a ¼ hole at top This can be used as an extension	1978 – 1987
TM-4CSA	Std Shank Screwdriver type handle has a ¼ hole at top This can be used as an extension	1995 – 1999
TM9CS	Screwdriver type handle has a ¼ hole at top This can be used as an extension	1983-1987
TM-9CSA	Long Shank Screwdriver type handle has a ¼ hole at top This can be used as an extension	1997 – 1999

Snap on Model number	Description	Date Range
TM-615	Extra long Shank Flexible Drive	1995 – 1999
TM-62	Flex w/ screwdriver handle 6 3/4 inch length	1958 – 1960
TM-62A	Flex w/ screwdriver handle 6 3/4 inch	1962 – 1987
TM-63	Insulated flex shaft screwdriver	1967 – 1987
TM-63A	Insulated flex shaft screwdriver	1995 – 1999