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pincers; nail puller
釘抜きで古い釘を抜いた。
I pulled out old nails with a nail puller.
釘抜きがないと板が外せない。
I can't remove the board without a nail puller.
錆びた釘は釘抜きでも抜きにくい。
Rusty nails are hard to pull even with a nail puller.