{ "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What is a tamper?", "acceptedAnswer": { "@type": "Answer", "text": "A tamper is a tool used to compress ground coffee in the portafilter. It ensures even resistance for consistent espresso extraction." } }, { "@type": "Question", "name": "Which tamper size fits my espresso machine?", "acceptedAnswer": { "@type": "Answer", "text": "Common sizes are 58 mm or 51 mm. The correct size depends on your filter basket – it’s best to measure it directly." } }, { "@type": "Question", "name": "Which is better: flat or convex tamper?", "acceptedAnswer": { "@type": "Answer", "text": "Flat tampers offer even pressure. Convex tampers compress slightly toward the center. Both work well – it’s a matter of preference." } } ] }