Description:1.Made of stainless steel, wire drawing finish, rust-resistant.2.Easy installation: Open and install around the pipe without dismantling the existing valve.3.Used to cover the gaps around heating pipes, water pipes, gas pipes, angle valves, faucets, radiators, drain pipes, etc. Specification:Material: Stainless SteelFinish: Wire DrawingFit Pipe Outer Diameter: 50mm / 1.97"Total Size: 140 x 50 x 5mm / 5.51" x 1.97" x 0.2"(Outer.D*Inner.D*T) Package Content:4pcs x Wall Split Flange.