1、360 Degree Rotatable and Magnetic Adjustable: Our coffee reflector is magnetically adjustable. It attaches to the ball head and rotates 360 degrees, allowing you to easily adjust and monitor your shots. 2、Provide Better Viewing Angle: Coffee shot mirror provides a better view, monitoring the perfect extraction can definitely enhance your coffee making experience. 3、Easy Observation: Coffee shot mirror for bottomless portafilter makes it easier and simpler to monitor your coffee from your bottomless portafilter. 4、Ease of Care: The coffee flow rate observation reflective mirror is easy to care for, just wipe it with a damp cloth and let it air dry. 5、Product Material: Made of premium walnut, stainless steel, glass material, fine workmanship makes the products durable, not easy to damage. Item Type: Coffee Flow Rate Observation Reflective Mirror Material: Walnut, Stainless Steel, Glass Weight: Approx. 88g / 3.1oz Diameter: Approx. 74mm / 2.9in 1 x Observation Mirror 1 x Bracket