This complete set of pressure gauges and adapter by La Pavoni is compatible with coffee machines of the same brand. The set includes one pressure gauge and a matching adapter. Bothy components are made with stainless steel 304 for durability. The adapter also has an M11 thread that is suitable for models released after 1990. The pressure gauge kit is essential for monitoring boiler pressure to ensure a flawless shot and perfect steam for your milk. La Pavoni Pressure Gauge Kit Features Upgraded Brewing – Know when the Boiler has reached pressure to begin brewing and steaming. For Europiccolo Models after 1990 - The adapter has an M11 thread that’s compatible with machines released after 1990. Easy to Install – Minutes to do with a simple replacement of screw and add pressure gauge to the top of the boiler. This product includes: 1x La Pavoni pressure gauge The Specifics Materials: Stainless steel 303 Weight: approx 81.9 g Compatible Machine: La Pavoni Europiccolo EL Dimensions: 9.8 cm x 8.6 cm x 3.7 cm Recommended Additions: Ten Mile Brewing Scales Cafetto EVO Coffee Machine Descaler Flair Temperature Strip