Features *Made of high quality material, durable and practical to use. *For Cafelat's espresso gasket for E61 groups are made from non-toxic food grade silicone. *This makes it better than rubber gaskets, since silicone doesn't have any smell or taste and are easy to change in and out. *This gasket so it can retain the strength of a rubber gasket can also create a good seal effortlessly. *The gasket will determine the lock-in position of the portafilter handle. Ideally you want the handle to lock in directly towards you (5 oclock to 7 o'clock position). If the gasket is too thin it will lock in too far. If the gasket is too thick it will not lock in enough. Specifications *Item: E61 8.5mm *Product size: Approx. 73mm (OD) 58mm (ID) 8.5mmThickness) *Product weight: Approx. 18g *Colour: Blue *Material: Silicone rubber *Machines fit: All E61 Modern Replica groups such as Package Contents: 1X Silicone Ring Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.