At Amazon, get this Oria 42-in-1 Magnetic Ratchet Screwdriver Set for $9.94. That's $3 less than our mention from June and the best deal we've seen for this kit.
The kit covers Phillips, slotted, Torx, hex, and Pozidriv bits, and comes in a hard-shell case with a built-in magnetizing slot. Shipping is free for Prime members.
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Features 42-piece set with 40 magnetic bits and a ratchet handle 32 short 1" bits and 8 long 1.8" bits in Phillips, slotted, Torx, hex, & other head types Color-coded bits for easy identification Aluminum alloy handle converts for use as a screwdriver or small wrench Hard-shell storage case w/ built-in magnetizing compartment