Spanner

The utility model belongs to five metals anchor clamps field, concretely relates to spanner, including the sleeve, be provided with two guide ways in the sleeve relatively, the cooperation is providedwith the slide bar in the sleeve, it puts into the mouth to run through on the telescopic side to be provided with, be equipped with fixed V -groove on the telescopic blind end medial surface, be equipped with movable V -groove on the inner end face of slide bar, fixed V type groove constitutes the centre gripping space that is used for centre gripping fit nut or the bolt head with movable V typegroove jointly, and centre gripping space syntropy sets up in putting into the mouth, sleeve one side is equipped with the through -hole, and threaded connection has the screw in the through -hole, and the inner end of screw is supported and is leaned on on the side in the slide bar. The beneficial effects of the utility model are that: adopting guide block and direction slot gap complex workingmethod, adjusting fast, the