Compatible design: specifically crafted for Expobar coffee machines, this steam wand nozzle ensures proper fit and reliable operation. The 8.3 mm screw outer diameter guarantees secure attachment, enabling professionalquality steaming without compatibility issues. Stainless steel: made from stainless steel, built to withstand daily coffeemaking. This durable nozzle resists wear, maintains its appearance, and delivers longlasting performance in the temperature, moisture environment of espresso brewing. steam output: available in both 3hole and 4hole configurations to suit your milkfrothing preferences. Choose the option that matches your desired texture for lattes, cappuccinos, or other milkbased espresso beverages. Easy installation: screw the nozzle onto your machine's steam wand without needing professional help or special tools. The replacement process is straightforward, helping your coffee machine to peak performance quickly. Use scenarios: Home barista: optimize milk texture for daily drinks such as lattes and cappuccinos by selecting the 3hole or 4hole option to match your preferred froth. Busy cafe or office: quick replacement to restore consistent steam output and maintain service quality without downtime. Spare part for travel or backup: carry as a reliable spare to minimize interruptions if the original nozzle wears or leaks.