The swivel end connector joins 1-1/2 in. I.D. hoses to the Milwaukee vacuum cleaner hose openings and allows the hose to spin freely and tangle free without coming loose from the vacuum. Used with all Milwaukee vacuum cleaners except 8950, 8955, 8936-20 and 8938 - 20. One swivel-end connector comes with each Milwaukee vacuum cleaner except 8950, 8955, 8936-20 and 8938 - 20. made from chrome plated steel.