This is an antique "alligator wrench" made by the Shaw Propeller Co. of Boston, Massachusetts, stamped "SHAW WRENCH, PAT. APRIL 26, 1910." These distinctive sliding-jaw wrenches were produced in sizes from 4" to 15" and used aboard boats for propeller and marine hardware work, making them a recognized piece of maritime tool history.
This example measures approximately 9.5" and shows an attractive dark iron patina with surface oxidation consistent with age and marine-adjacent use. The sliding jaw mechanism moves smoothly along its track, and the serrated gripping teeth are intact with no breaks or cracks. All markings are clearly legible. Sold as-is.
A distinctive piece for maritime tool collectors, antique wrench enthusiasts, or anyone drawn to unusual early-20th-century mechanical designs.
Item Specifics:
- Brand: Shaw Propeller Co.
- Type: Alligator/Sliding Jaw Wrench
- Patent Date: April 26, 1910
- Length: 9.5 in
- Material: Iron/steel
- Country/Region of Manufacture: United States (Boston, MA)
- Vintage: Yes
- Condition: Used, sold as-is
Related Items:
Antique Victorian H Clay Shaw Piedmont WV Mountain Rose Face Powder Box
$99.99
Antique Shaw Propeller Co. Alligator Wrench | April 26, 1910 | Maritime Tool
$54.99
Antique Dickinson Shaw Diamond Glass Cutter Ebony Handle Brass Vintage Tool
$99.49
