Stillson Wrench Value Guide

Invented by Daniel C. Stillson in 1869 for the Walworth Company, the Stillson wrench revolutionized plumbing with its ability to grip rounded pipes without slipping. These early American tools are highly collectible for their robust cast iron construction and the aesthetic appeal of their original wooden handles.

What affects the value of Stillson Wrench?

• Condition of the wooden handle, specifically looking for a lack of cracks, rot, or heavy burn marks.
• Legibility of the original manufacturer stamps and patent dates on the metal components.
• Mechanical functionality, ensuring the adjustable jaws move freely without significant rust seizing.
• Presence of original patina versus over-cleaned or modern replacement parts which can lower the $40-$60 market value.

How to Identify Stillson Wrench?

• Look for the 'STILLSON' trademark stamped clearly on the cast iron frame or jaw.
• Verify the presence of a smooth, turned wooden handle, which is characteristic of the 1890-1920 era models.
• Check for the Walworth Manufacturing Company mark, as they were the original producers in Cambridge, Massachusetts.
• Examine the adjustable jaw mechanism for the specific heavy-duty threading patented by Daniel Stillson.

History of Stillson Wrench

The Stillson wrench was invented by Daniel C. Stillson in 1869 while he was working for the Walworth Company in Cambridge, Massachusetts. It was one of the first successful pipe wrenches, designed to grip rounded pipes securely without slipping, a significant improvement over previous tools. Its robust design and effectiveness quickly made it an indispensable tool for plumbers and pipefitters worldwide, and variations of its design are still in use today.