This little detail was a real find! I recently bought a Kenmore canister vacuum to replace our 40 year old model. I had to buy extra nozzles but it turned out they didn't fit. I needed 1.25" OD tips to fit the end of the 1.25" ID nozzle (weird design?). But all I could find were 1.25" ID jets that fit the 1.25" OD fitting. This connector helps me use the standard 1.25 inch ID bits. Excellent! At least one review says the part is cheap and breaks easily. What I received looks pretty solid. I've just ordered two more to have adapters in each application.