Description: Material & SizeThis Coffee Extraction Observation Mirror is made of stainless steel with dimensions of 8cm in diameter and 5.5cm in height.Easy Attachment Equipped with a magnetic base, this espresso lens effortlessly attaches to your coffee machine. Very convenient for easy adjustments during brewing and ensuring a stable and reliable observation for the coffee extraction process.Coffee AccessoriesAn essential accessory to coffee machine, this extraction mirror provides users with a clear view of the coffee extraction process from all angles, great for barista tool, auxiliary mirror.360 Rotating Design This espresso extraction mirror features with 360 rotation design, can be adjusted to any angle you want, convinent to use, practical for both home and professional cafe use.Wide ApplicationsA must-have tool for both home baristas and professional cafe bar workers. Ideal gift for those who looking to improve their brewing skills and achieve good extractions effortlessly. Specification: Material: stainless steel Size Chart: 8cmx5.5cm/3.15inchx2.17inch Package Includes: 1 Espresso Lens Mirror Note: Please allow slightly errors due to manual measurement and different monitors.