Unverified draft - do not rely on this page

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Confirm exactly how the 120 differs from the 110 and 220 across the run
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Stanley

Stanley No. 120 Block Plane

A 110-pattern block plane with a depth adjuster.

1876–1950
Block Plane
low confidence
unverified draft

Specifications
Model	No. 120
Production	1876–1950
Sole length	7-1/2"
Cutter width	1-5/8"
Mouth	fixed

How to identify it

7-1/2 inch body with an adjuster - otherwise close to a No. 110.

Photograph needed: Stanley No. 120 Block Plane - overall view, plus a close-up of the toe and bed markings

No image is published here until its rights are cleared. Sourcing policy.

The same size from other makers

These do the same job at the same size. Parts do not interchange between makers, but the shaving does not know the difference - and where one maker commands a collector premium, another usually does not.

Maker	Called	Made
Stanley	No. 110	1874–1990

Every size, every maker

Sources

reference-site
Patrick Leach's Blood & Gore (Stanley plane model-by-model commentary) — Patrick Leach

Others in this family

Stanley No. 9 Cabinetmaker's Block Plane

1870–1943 · 10" · 2"

A big, heavy block plane made for shooting mitres and trimming end grain on cabinet work.
Stanley No. 9-1/2 Block Plane

1873–2000 · 6" · 1-5/8"

The standard-angle block plane, and the pattern every other manufacturer copied.
Stanley No. 15 Block Plane

1876–1955 · 7" · 1-5/8"

A No. 9-1/2 stretched by an inch.
Stanley No. 18 Knuckle-Joint Block Plane

1888–1950 · 6" · 1-5/8"

A 9-1/2 with the knuckle-joint lever cap: a hinged nickel-plated cap that folds flat into the palm.
Stanley No. 19 Knuckle-Joint Block Plane

1888–1950 · 7" · 1-5/8"

The seven-inch knuckle-cap block plane: a No. 15 with the folding cap, or a No. 18 with an extra inch, depending which way you come at it.
Stanley No. 60 Low Angle Block Plane

1898–1950 · 6" · 1-3/8" · draft

The fixed-mouth sibling of the 60-1/2: same low bed angle, same iron, no adjustable toe piece.
Stanley No. 60-1/2 Low Angle Block Plane

1898–2000 · 6" · 1-3/8"

The low-angle block plane, and probably the single most useful vintage Stanley you can buy for under fifty dollars.
Stanley No. 61 Low Angle Block Plane

1914–1935 · 6" · 1-3/8" · draft

A short-lived low-angle block plane in the 60 series.