Tamper size depends on your portafilter basket. The most common sizes are 58 mm or 58.5 mm for commercial machines. Always measure your basket's inner diameter for a snug fit.
Yes. Heavier tampers often offer more control and reduce the effort needed to apply pressure evenly. It’s a personal preference, but many baristas prefer a tamper that feels substantial in hand.
Flat tampers apply pressure evenly across the surface. Convex tampers have a slightly curved base, which can help reduce channeling. Which is best depends on your technique and espresso machine.
Using a tamper mat or station protects your countertop and stabilizes your tamping process. It also helps keep your gear clean and organized.