These are common light fixtures accessories for ceiling lamps and chandeliers, pendant light. They are good for helping you install your chandeliers on sloping ceilings places.SpecificationMaterial: BrassThread: M10Thread Pitch: 1mmOverall Size: 33.5x29mm /1.32x1.14 inch(L*H)Packing List: 1 x Sloped Ceiling AdapterAdvantageThe product is made of brass material, providing good durability and stability.Rotatable handle design, 180 degrees adjustment, easy for you to adjust the angle.InstructionThread design is very easy to use, just thread it into a thread pipe.NOTE: Please confirm the thread size.