Reflective mirror for laser machine 1. Diameter 19/20/25mm 2. different length and diameter 3. CO2 Laser lens Reflective mirror for laser machine Material ... :Optical GlassUse:Laser Machine spare partsSize: dia.20 / 25 mmcoating:high ... , CV-CXCX20-820mm/25mm7.5''PX, PV, CV-CX Reflective mirror for laser machine