Amazon.com: Klein Tools 631M Tool Set, Magnetic Nut Drivers Sizes 3/16, 1/4, 5/16, 11/32, 3/8, 7/16 and 1/2-Inch on 3-Inch Full Hollow Shaft, 7-Piece : Tools & Home Improvement
Amazon.com: Klein Tools 631 Tool Set, Nut Driver Set w/Hex Nut Sizes 3/16, 1/4, 5/16, 11/32, 3/8, 7/16 and 1/2-Inch on 3-Inch Full Hollow Shaft, 7-Piece : Tools & Home Improvement
Klein Tools 7 Pc Hollow Shaft Nut Driver Set - Whatchamacallit Tools