Uxcell 1/4-Inch Shank Hex Nut Driver Magnetic Spanner Tool, 5/16-Inch, 2-Piece Product Name : Magnetic Nut Setters; Material : Metal Width of Opposite Sides : Hex Socket: 8mm/ 5/16"; Hex Shank: 6.3mm/ 1/4" : Hex Shank: 6.3mm/ 1/4" Overall Size : 42 x 12mm / 1.7" x 0.5" (LD) Weight : 37g Package Content : 2 x Magnetic Nut Setters