The percussion hammer consists of a percussion hammer body, a percussion hammer head, percussion hammer handles, an illumination light tube, a scaled rule, a U disk and a knife which are integrated.

本发明由叩诊锤主干，叩诊锤头、叩诊锤柄，照明灯筒、量尺、U盘和小刀组成为一体；

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He took a rubber band off the top of one of them, removed a piece of plastic wrap, and, with a knife, jimmied out a disk of wax.

NEWYORKER: Sole Mate