Vintage Snap-on S5911 13mm 14mm 12Pt S-Shaped Double Box End Wrench Flank Drive USA

Vintage Snap-on S5911 double box end wrench featuring the patented Flank Drive design. This S-shaped specialty wrench is designed for accessing hard-to-reach fasteners, particularly useful for manifold work. Features 12-point box ends in 13mm and 14mm sizes. Made in USA with Snap-on's premium chrome finish. Tool is in excellent condition, showing minimal wear consistent with age while maintaining full functionality.

Key Specifications:
Size: 13mm x 14mm
Type: S-Shaped Double Box End
Drive Type: 12-Point Flank Drive
Material: Chrome Nickel Steel
Finish: Chrome Plated
Country of Manufacture: USA

Sold as is. No warranty from the seller. No Returns.

CONDITION NOTE: Used, and in very good condition overall, but does include the engraved initials of "ERV" from the original owner on this wrench (see pictures). Wrench has some light surface scratches and dirt from storage & use (see pictures)! Does not include the original box, or packing materials. See detailed high resolution (zoom-able) pictures to know what you are purchasing.

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Source of product research for this listing was from an AI engine and I cannot be sure that it is 100% accurate. I encourage you to confirm this information with your own research.
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Manufacturer Background:
Snap-on was founded in 1920 by Joseph Johnson and William Seidemann in Milwaukee, Wisconsin. The company revolutionized the tool industry with interchangeable sockets and became one of America's largest professional tool manufacturers.

Age of Item:
This wrench design was introduced in the mid-1960s after Snap-on received their Flank Drive patent in 1965.

Search Keywords:
Snap-on wrench, S5911 wrench, 13mm 14mm wrench, double box end, flank drive wrench, S-shaped wrench, manifold wrench, vintage Snap-on, mechanic tools, professional tools, USA tools, chrome wrench, specialty wrench, automotive tools, collector tools

NOTE: If you would like to see all the Mechanics Tools that I currently have listed, please check out this eBay Store category now and to watch for more pieces being added over the coming weeks/months: https://www.ebay.com/str/quantumonlinesalesservices/Mechanics-Tools/_i.html?store_cat=34571823011