Nail puller is a general term for different levers and pliers for pulling out nails.
The heavy versions are used by the shipwright, the lighter ones mainly to open boxes.
The lever can be compared to the crowbar.
For the same purpose the pincers or claw hammer are used by the carpenter. [MOT]
Nail extractor MOT V 2011.0024 L=57 WD=11cm WT=2176gr Inscription: BAHCO 38 MADE IN SWEDEN