[DURABLE]: Highly durable pieces in this tool set are made of chrome vanadium steel with corrosion resistant black phosphate coating. [DESIGN]: Powerful magnetizer design reinforces a secure lock and retention on bits during nuts and bolts fastener application when used with an impact wrench. [QUICK CHANGE]: 1/4-inch quick change hex shank nut drivers securely inserts into drivers for immediate use [VISIBILITY]: Nut setter size speculations are laser etched and engraved onto the surface of each piece for easy identification. [INCLUDES]: Nut driver setter kit comes with red bit holder and six 1/4-inch hex shank nut drivers in the following SAE sizes: 1/4, 5/16, 3/8, 7/16, 1/2, 9/16-inch.
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Item# : SPM15936322724
Model # : 10190A