Rattleware Aluminum Tampers are perfect for use with any espresso machine. Available in 53mm, 57mm and 58mm. Weight approximately 1 lb.
That's it- pls add this info to Overview.
Paul, the Rattleware Aluminum Tampers here: http://www.wholelattelove.com/Rattleware/RW_Aluminum_Tamper.cfm are flat. If you are looking for a convex tamper, I would suggest contacting my Sales team at 1-888-411-5282, option 1-they will be best able to assist you in selecting one.