About this item

• REASONABLE SET:  nut driver set contains 18PCS nut driver ( Metric 5mm, 6mm, 7mm, 8mm, 10mm, 11mm, 12mm, 13mm, 14mm; SAE 3/16", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 1/2", 9/16"), 3PCS socket adapter ( 1/4", 3/8", 1/2"), 3PCS bit extension holder (60mm, 100mm, 150mm), 24PCS 1" screwdriver bit (PH0, PH1, PH2, PH3; SL3, SL4, SL5, SL6; H4, H5, H6; PZ1, PZ2, PZ3; T5, T6, T8, T10, T15, T20, T25, T27, T30, T35), 4PCS 2" screwdriver bit (PH1, PH2; SL2; SQ2), 2PCS wing nut driver (9mm 12mm).
• PREMIUM QUALITY: All nut drivers, socket adapters, quick-release extension bit holders, and wing nut drivers are made of Cr-V steel, with longer service-life, and higher shock resistance. And screwdriver bits are made of S2 steel for strong hardness.
• HIGH PERFORMANCE: The 1/4" hex shank allows the nut drivers, adapters, and bits can be used with a variety of quick-change chucks and drills. There is a premium magnet inside each nut driver to hold the drill bit firmly. The quick-release extensions can quickly install the bits.