custom brass tube Insulation ApplicationCable Connect brass sleeve are made of pure copper,high conductivity. passed salt spray test. production range:OD :1.1MM-120MM wall thickness: ≥ 0.1mm Length≥1mm Commonly used materials: copper, brass, aluminum. 1.Material : 99.7% pure copper or brass 2.Shape: Tube 3.Plating :no 4.Application : Wire connection 5.Special : Free sample 6.Certificates : Reached RoHS [...]