This driver kit is packed to the brim with all the current common and specialty bits needed to open electronics. From 8-Track decks to iPhones, the tech industry has always been locking its secret tech behind special screws. We designed this kit to be the key. 54 different 4mm bits, plus a ¼" adapter to use the bits in standard drivers. Each bit resides in a removable soft plastic block with five friends. The driver body is machined from a single piece of aluminum, with a ball bearing mounted swivel top. The flexible shaft is great for stereo work or other large electronics where all the screws aren"t on the surface. The drive adapter lets you use these specialty bits with any standard ¼" driver handle or most power tools. 1x iFixit"s 54 Bit Driver Kit. Designed to include all you would need to repair small electronics. Comes with a anodized aluminum magnetized driver handle with ball bearing swivel top and rubber o-ring grips. Bits include: Pentalobe Sizes 2, 5, 6 (iPhone, MacBook Air, MacBook Pro) Slot sizes 1, 1.5, 2, 2.5, 3, 3.5, 4 mm Phillips sizes #000, #00, #0, #1, #2 JIS Sizes 000, 00, 0, 1 Torx sizes T3, T4, T5, T6 Torx security TR7, TR8, TR9, TR10, TR15, TR20 (Compatible with non security) Hex sizes 0.7, 0.9, 1.3, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 6 mm Square sizes #0, #1, #2 Triangle size 3 mm Tri-wing sizes #0, #1 Nut Driver 2.5, 3, 3.5, 4, 5 mm 4 mm to 1/4" adapter 60 mm extension and 130 mm flexible extension.