JHCHMX Original Raytools Laser Ceramic Sensor Cable Seal Ring Protective Windows 27.9*4.1/24.9*1.5mm Raytools Laser Head Parts JHCHMX Original Raytools Laser Ceramic Sensor Cable Seal Ring Protective Windows 27.9*4.1/24.9*1.5mm Raytools Laser Head Parts. Sale price : $5.32 Category : Tools