. . . but not simultaneously.
I suppose it cuts time if the job yer doin needs two sizes, alternately, it saves resetting the shifting spanner every time, helpful, particularly with restricted access and or light, but not sold meself on the idea yet.
I suppose it cuts time if the job yer doin needs two sizes, alternately, it saves resetting the shifting spanner every time, helpful, particularly with restricted access and or light, but not sold meself on the idea yet.




