Weather vanes roof mount have Superior stability it ensures a rock solid grip on your weathervane, making sure it stays firmly in place even in challenging weather conditions,Can be easily adjusted to fit your roof or cupola. Suitable for installing larger weather vane or antenna on the roof or cupola, flexible adjustment of the installation angle of the wind vane for roofs. Suitable for standard size wind vane, accepting wind vane poles with a diameter of up to 3/4 inch Suitable for installing wind indicators or antennas on roofs or cupolas Flexibly adjust the installation angle of the roof wind vane This type of roof bracket can be used for various purposes, such as flagpoles, wind indicators, and emergency roof sprinklers Product name: wind vane bracket Item number: GCC0051 Style: Modern and simple Colour:black Material:steel Package Contents: 1 * vane bracket 8 * large screws 4 * small screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.