
This is a complete set, two handles (precision screwdriver and 1/4" (6.35mm) screwdriver), 164 bits (including some torx security), tweezers , various case opening tools, a magnetic mat for loose screws and even an anti-static wrist strap for handling sensitive electronics. Includes a 1/4" to 4mm adapter and flexible extension cable. Also included is a handy magnetizer/demagnetizer The case is beautifully finished and will keep your essentials safe.The first thing to note is that the bit shank comes in two different diameters: 4mm and 1/4" (6.35mm). The bits are of relatively strong Magnets held in their respective handles..As mentioned above there is a 1/4" to 4mm adapter. The various bits are well made from high quality chrome vanadium steel and the handles are comfortable to use. Six months guarantee. This set has everything I've ever had or needed in one case. I'm starting to give away my little kits to friends.

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