Impact Driver Socket Set 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. :
Klein Tools 32793 Pro Impact Driver Bit, 5/16-Inch Hex Nut Driver, 3 Pack : Amazon.co.uk: DIY & Tools
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Bahco 7809Z-5/16 5/16" x 1/2" Socket for Hex Head Screws
8mm 5/16" Magnetic Roofing Roof Tech Tek Screw Bolt Hex Nut Socket Driver Setter
TEK screw socket driver tool-5/16 - TradeWarehouse.co.uk
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8mm (5/16") PROFESSIONAL MAGNETIC TEK SOCKET DRIVER BIT - ROOFING SCRE