Oniissy Screwdriver Adapter, 1/4 to 4Mm Insert Bit Adapter, Compatible with Hex Shank, Magnetic Holder for Quick Bit Change(2pcs)

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Product description

  • Size Total length 45mm
  • If your screwdriver takes 1 4 bits and you want to use 4mm bits. This adapter is for you.
  • Or your screwdriver handle holder size is 1 4 6.35mm and you want to use 4mm bits to work.

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