20PCS Magnetic Nut Driver Set, 6” Long Nut Drivers for Impact Drill

20 pcs magnetic nut driver set contains 8 pcs SAE nut drivers (1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 1/2", 9/16"), 8 pcs Metric nut drivers (7, 8, 9, 10, 11, 12, 13, 14 mm), and 4 pcs screwdriver bit (PH1，PH2，SQ2, T20); The extended 6’’ power drill driver bits can easily reach deep and narrow spaces that the standard-size drivers or your fingers cannot reach