... sleeve 1.Material: copper/brass 2.Weight:270g/150g 3.Type:CNC machining 4.Tolerance:+/-0.05mm High quality cnc machining ... superior copper pipe sleeve produced by clients' ... machine, milling machine, drilling machine, EDM etc4) Our services:Machining, Turning, Milling, Stamping, Casting5) Application:Automation machine, medical ...