Challenger by Proto & Proto Socket Sets!

Updated October 17, 2026

Lot number	120
Auction	New Industrial Supply Auction! Bulk Lots. Full Storage Units
Date	October 30, 2026 at 7:00 PM EDT
Auction house	American Eagle Auction & Appraisal Company
Location	New Hudson, Michigan

Up for auction is a substantial estate or distributor lot consisting of 11 vintage mechanic socket sets primarily manufactured by Challenger by Proto and Proto Professional Tools. Known for their industrial-grade, heavy-duty construction, these legacy Made in USA tool sets feature classic embossed red steel cases and bright chrome-plated components. The inventory offers an excellent assortment of drive configurations, ranging from precision 1/4" service kits up to deep-well impact and specialty drive configurations. Lot Breakdown: • Proto Professional 18-Piece Set: (1) Premium mixed 1/4" and 3/8" drive master kit with a signature high-impact amber-handled driver tool and custom metal organizer. • Challenger 23-Piece 1/4" Drive Sets: (5) Compact 1/4" drive standard service kits. Several sets retain their historic paper inserts and protective packing materials. • Challenger 10-Piece 3/8" Drive Set (No. 2055): (1) Standard mid-range service kit complete with extension bars and its original store pricing insert. • Challenger Deep Well Socket Sets: (3) Heavy-walled specialty deep-socket assortments mounted in specialized layout organizers. • Challenger Spinner Handle Set: (1) Special application driver and socket tray kit configuration. ALL ARE NEW OLD STOCK!

Challenger by Proto & Proto Socket Sets!

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