The 59666 is a universal adaptor designed to fit male into industry standard 32 mm hose cuffs like the 35095. The 59666 has a treaded collar which threads on to an internal stem with four compression fingers. As the collar is tightened the four fingers compress to lock the adapter firmly onto the male end of vacuum wands or hose ends from 30-37mm as well as any diameter between the two. The most common domestic vacuum tube diameter in the UK and North America is 32 mm. Whereas 35mm is more common in Europe for domestic vacuums. The 59666 is often used to produce an extension hose for domestic upright and canister vacuums permitting a longer hose for above the floor applications or to add a hose length of cleaning stair risers.