This double pole is a 28mm pole with standard lined rings at the front and a 19mm eyelet pole at the back, with modern contemporary stud finials along with extendable wall supports which can take up to a maximum weight of 10kg. The double pole system is ideal for decorating your home with a voile at the back and curtains at the front, or even a lighter weight curtain at the back and curtains at the front helping keep out draft, ideal for those cold winter nights.