copper pipe sleeve 1.Material: copper/brass 2.Weight:162g 3.Type:CNC machining 4.Tolerance:+/-0.05mm High quality precision ... cnc machining superior brass sleeve produced by clients ... range: 510mm*1020mm*500mm Our OEM Serivce : 1) Material:Steel, Brass, Copper, Stainless steel, Plastic, Aluminium POM, Delrin, Titanium Alloy ...