About this item 304 stainless steel, even after long-term use, it still retains the original quality, suitable for use in any environment, these brackets can provide long-lasting support for pipes Type b ventilation pipe strips are mainly used to fix metal pipes, plastic ventilation pipes, chimney pipes, drain pipes, PVC pipes, and can also be used to install various pipes, which are ideal for HVAC, ventilation, drainage, heating and cooling systems Versatile, pipe brackets are wall-mounted or ceiling-mounted, designed to fix pipes, pipes or rods, they can be installed on walls, ceilings, sides of houses or buildings, can fix pipes firmly and reliably, prevent pipes from moving or rotating The installation is simple, we are equipped with mounting screws and expansion rubber particles, please pre-drill the hole with a drill bit before installation, for installation, the pipe clamp is suitable for 6 inch round pipes, please check the product size information before purchasing, as shown in the picture You can get 2 6inch open ring pipe racks for supporting and fixing pipes of almost all materials, if you have any questions or suggestions, please contact us in time, your satisfaction is our top priority.