Premium quartz material ensures high light transmittance and exceptional optical clarity for precise machine welding applications. Versatile compatibility with super Weiye, Kirin, Wanshunxing, and Hanwei welding guns, making it ideal for various welding projects. Robust double-sided coating enhances durability and longevity, ensuring reliable performance in demanding environments. Available in a range of diameters (20mm-55mm) and thicknesses (1mm-9mm) to suit different welding needs and specifications. Outstanding surface (40/20) and low parallelism (less than 1 point) guarantee optimal focusing and collimation for improved welding efficiency.