3/4” Drive Ratchets and Handles

There are a lot of part numbers, a lot of confusion and hopefully this will help (a little) Shown here are:

A 1931 ¾ ratchet with no label and no catalog listing (the first)
The 1932 Catalog Drawing (No. 72Y, H, and N),
1937 Catalog Drawing (L-72NA),
1945 Catalog Drawing (L-72RH and R)
A 1945 L-72R date stamped E-
A, 1950 (L-72RJ, S and SH),
1965 (L-72T and TH) “72 head” catalog drawings.

3/4” drive Ratchets and Handles

There are a lot of part numbers, a lot of confusion and hopefully this will help (a little) Shown here are:

A 1931 ¾ ratchet with no label and no catalog listing (the first)
The 1932 Catalog Drawing (No. 72Y, H, and N),
1937 Catalog Drawing (L-72NA),
1945 Catalog Drawing (L-72RH and R)
A 1945 L-72R date stamped E-
A, 1950 (L-72RJ, S and SH),
1965 (L-72T and TH) “72 head” catalog drawings.

Stock number	Description	Date Range
No. 72-Y	A ratchet head – This has the needle like switch (20 tooth?)	1932 – 1937
No. 72 H	Sliding head for No. 52	1932 – 1948
L-72NA	A ratchet head without a handle	1937-1942
L-72RH	A ratchet head without a handle	1945 – 1975
L-72R	A ratchet head (20 tooth)	1945 -1948
L-72S	A ratchet head without a handle	1950-1962
L-72T	A ratchet head without a handle	1965-1978

Stock number	Description	Date Range
L-72N	Complete ratchet (with handle)	1932-1942
L-72	This is the complete tool L-72Y and a 20 1/2 inch bar L-72H	1935 – 1937
L-72SH	A ratchet head with a handle	1950-1962
L-72TH	Complete ratchet L-72T with L-72H 20” handle	1965-1978
L-72-TJ	Complete ratchet L-72T with L-72RJ 20” handle	1970 on- 1978
L-72TK	Complete ratchet L-72T with L-72RL 35” handle	1978

Stock number	Description	Date Range
L-72H	Handle 20”	1935-1978
L-72RJ	Knurled handle grips – handle 20”	1950 -1978
L-72SJ	Handle knurled 20”	1960-1962
L-72TJ	Handle knurled 20”	1970 on
L-72RL	Knurled handle grips – handle 35”	1978

3/4 L-52 Sliding T Bar

First is the catalog drawing, then an undated No 52, the third image is an L52 (likely 1945) and a No52 side by side. The knurled part is a style started in the 1937 tools

Snap on Model number	Description	Date Range
No.52	Improved Sliding Tee (complete tool)	1932 – 1933
No. 52 A	Bar for No. 52	1933
L-52	Sliding Bar (the handle)	1937-1942
L-52A	Same as above without bar	1937-1942
L-52B	Ratchet	1946-1978
L-52BH	Ratchet and bar	1946-1970 on
L-52H	20” bar	1946-1960

3/4 L-112

I see very little difference through the years up to 1970, but show here is a modern version with a larger diameter handle opening. Certainly there was a change after 1970

Snap on Model number	Description	Date Range	1
L-112	Nut Spinner head – This is a joint on a T bar head and a bar (L-112A – head + L-72H)	1935 – 1960
L-112A	Nut Spinner head	1937 – 1942
L-112C	Nut Spinner head only	1948
L-112D	Nut Spinner head only	1950-1962
L-112E	Nut Spinner head only	1965-1978
L-112CH	Nut Spinner 22.5”	1945 – 1948
L-112DH	Complete tool – Nut Spinner and handle	1950-1962
L-112DJ	Complete tool – Nut Spinner and handle	1960-1962
L-112EH	Nut Spinner and handle L-112E head with L-72H bar	1965-1978
L-112EJ	Nut Spinner and handle L-112E head with L-72J bar	1965-1978
L-112EL	Nut Spinner and handle L-112E head with L-72L bar	1970 on-1978

3/4 L-672 Ratchet Adaptor

This shows 2 catalog drawings. The right is from 1950 (L-672) and the left from 1958 (L-672A). I don’t have these tools, but the top center band is not knurled

Snap on Model number	Description	Date Range
L-672	Ratchet Adaptor	1948-1950
L-672A	Ratchet Adaptor	1953-1975