Facoms precision engineered ratchet ring spanners have a compact ring head which perfectly replaces the ratchet and socket combination and provides the advantages of an extra low profile ratchet they have extra thin walls for the tightest clearances and optimum diameter for an unbeatably compact design the ratchet operates in 5 increments enabling quick tightening and loosening in the most difficult conditions because of their low profile they are ideal for low clearance applications