The Tamper Base Knock features a black silicone ring which enables you to gently tap it against the portafilter to shake the coffee grains back into the filter before tamping again. This will ensure that your portafilter will remain undamaged.

Create your custom espresso tamper by combining any of JoeFrex bases and handles. 

• Made with stainless steel
• Available in a flat or convex profile
• Weight: 120-250g (depending on diameter)
• Compatible with all JoeFrex handles
• Thread: M8