Features: Alumina ceramic welding cup is sturdy and durable, which possess a long service life. Thicken ceramics material, more durable, no need to replace it frequently. Using high class ceramic material of good quality, have strong resistance of high temperature. Smooth surface in creased wear resistance. Easy to install without other special requirements, making the welding cup convenient to use. Adopt excellent craftsmanship to bring small exquisite shape, easy to carry and store. It is for most kind of Euro Style MB 15AK MIG welding torch. Specifications: Material:Ceramics Interface Inner Diameter: 12mm/0.47inch Outer Diameter: 18mm/0.7inch Size:Approx.1.3x0.8x0.5cm/0.51x0.31x0.19inch Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 5x Ceramic Nozzle