128 Bits carefully selected to make the most comprehensive bit set ever;128 S2 steel bits in both 4 mm and 1/4 sizes for precision work and large torque application;CNC machined aluminum driver handles for both 4 mm and 1/4 bits provide plenty of grip while driving screws;Elegant laser etched oak case keeps all components secure and conveniently displayed

• iFixit Universal Bit Kit 128 pcs Bit Kit Magnetized Driver Pentalobe Tri-Point Torx

iFixit Universal Bit Kit 128 pcs Bit Kit Magnetized Driver Pentalobe Tri-Point TorxiFixit