Collimating Cover Glass , Focusing Cover Glass ,Focusing Lens , Colimating Lens , Single Nozzle 2Mm, Single Nozzle 3Mm , Single Nozzle 2.5Mm , Ceramicring , Black Sealing Ring Of Ceramic , Clamping Ringof Ceramic , Fiber Protection Cap , Clamping Ring Ofprotective Window , Cutting Protection Windowassembly , Focus Protection Window Assembly ,Collimator Protection Window Assembly , Thumbscrews , O Scaling Ring Quantity: 606