A handle which locks the door using only a latch, normally on a short backplate. The handle still has a lever and a thumbturn with emergency coin release and two spindles, but rotating the thumbturn positions a cam on the back of the furniture, which stops the lever handle from being operated. This means that when engaged, the latch bolt cannot be withdrawn and the door is locked. You must, however, ensure that the latch selected does not block the patch of the thumbturn spindle, and therefore a tubular latch is the sensible option. This type of handle doesn't tend to last as long as bathroom furniture.