Amazon.com: Coffee Tamper 53mm Espresso Tamper: Metal Espresso Pressure Tamper, Wooden Coffee Tamper 53 MM, Weighted Espresso Tamper by KithchenBoss: Home & Kitchen
58.6mm Flat Espresso Tamper
Karagas Espresso Tamper,Coffee Tamper with 30lbs Spring Loaded,Stainless Steel Base Compatible with Espresso Machine Rancilio, Gaggia Bottomless Portafilter for 58mm Portafilter