Antique 1920s T-Handle 3-Way Lug Wrench Square Socket No31 Dayton Malleable Iron


Up for auction/sale is an authentic antique, early 20th-century T-shaped three-way mechanics socket wrench. This heavy-duty piece was manufactured by the famous Dayton Malleable Iron Company out of Dayton, Ohio, heavily utilized for early automotive toolkits (such as Model T era vehicles), farm buggies, and agricultural machinery implement setups.Markings:Embossed with Part/Model No. 31 on the neck gusset.Stamped with the iconic "D" logo enclosed in a square/shield signifying Dayton Malleable Iron production.Verified Dimensions & Specifications:Total Weight: 16.25 oz (approx. 1 lb)Overall Handle Width: Just under 6.5 inchesTotal Tool Length: Approx. 8.5 inchesSocket A (Bottom stem): Measures ~0.56 in (Fits standard 1/2" square nuts)Socket B (Side arm left): Measures ~0.67 in (Fits standard 5/8" square nuts)Socket C (Side arm right): Measures ~0.85 in (Fits standard 13/16" square nuts)




I purchased a group of used automotive tools and am selling some of the ones that are either doubles or don’t fit into my set.






Listing is for the Wrench shown. It’s the exact tool in the condition shown.


Please see all photos and feel free to ask any questions you may have.

Thank you for looking!




We’d love to promptly answer any questions you may have about this item. We DO NOT USE stock photos. The photos you see in this listing are photos of the exact item that you will receive. Please take the time to carefully examine all of the listed photos, as we do not offer returns, exchanges, or refunds. We ship via USPS. We will promptly provide you with a USPS tracking number after your purchase is complete and we have mailed your package. Please be advised that if you choose to pay for your purchase on a Friday after approximately 3 p.m. PST, we will be forced to wait for our local post office to reopen on the following Monday to mail your package. Our local post office is closed on weekends and holidays. We are gratefully aware that you chose to honor us by buying our stuff with your hard-earned money. We respect your purchasing power by taking absolutely fanatical care in our packaging process. Thank you for your interest and good luck!