lug wrench

English Thesaurus

1. a wrench with jaws that have projecting lugs to engage the object that is to be rotated (noun.artifact)

hypernym	:	spanner, wrench,
definition	:	a hand tool that is used to hold or twist a nut or bolt (noun.artifact)

part holonym	:	lug,
definition	:	a projecting piece that is used to lift or support or turn something (noun.artifact)