Measurement Data - Package includes 4 pcs closet shelf & rod brackets, length is 30mm/1.2 inch or 40mm/1.6 inch, suitable for the diameter 22mm/0.9 inch or 25mm/1 inch rod, please see the second drawing for detaidimension data.Wide Applications - These cylinder flange socket pipe connector joints are suitable for the extension head of external connecting pipe, the extension connection of wardrobe rod or clothes drying rod.Easy to tall - There are two fastening screws on the connector. You only need to connect the two pipes to be connected, and then tighten the screws. It is very easy and fast.Hight Quality Material - These pipe s are made of premium quality stainless steel, durable, anti-corrosion, rust-proof, and moisture-resistant.