A good patent RIDGID adjustable spanner or offset pipe wrench by the RIDGE TOOL COMPANY USA.

Marked 'RIDGID E - 110 PAT 3015243' on one side of the handle with 'THE RIDGE TOOL CO ELYRIA OHIO USA' to the opposite side.

The patent was granted in 1929 and further details can be found here - https://patents.google.com/patent/US3015246A/en

The adjustable top jaw is marked 'RIDGID No110' and the knurled adjuster wheel is marked '10 R 10'.

Retains much of its original red finish.

2⁵/₈ inch (76mm) maximum jaw capacity.

All parts move freely and tighten securely.

10¹/₂ inches (267mm) overall length when closed.