These hinged ratchet combination spanners are ideal for reaching in to awkward spaces and easy to use for both tightening and loosening with a ring head on one end and an open end on the other they are highly versatile stored in a hinged case they are easily identified through both the markings on the case and on the side of each spanner the ring head has a reversible ratchet system incorporated within a compact ring head the 72 tooth mechanism gives small increments of only 5 the heads are hin