Which preposition to use with pliers

in Occurrences 4%

Godfrey looked up and down the street, saw that for the moment there was no one near, inserted the pliers in the key-hole, grasped the end of the key, and turned it slowly.

for Occurrences 1%

He was a good little runner, and he done his best; but when I breasted the tape I won a quick-claim deed to his loose change, to a brand-new office over a drug-store, and to enough nickel-plated pliers for a wire-tapper.

Which preposition to use with  pliers