Fellowes 49106 55 Piece Computer Tools Kit, w/ZPR, 13-1/8"x7 x1-7/8, Black Sold as 1 EA. Unique 2-in-1 nut socket offers metric and standard measurement sizes. Nut socket sizes include 3/16"-5mm, 1/4"-6mm, 5/16"-8mm, 11/32"-9mm and 3/8"-10mm. Kit also includes fully flexible 6-piece ratchet driver (3-way path). All tools are demagnetized.