These two types of tea strainers, the Mesh Ball Infuser and the Handheld Fine Mesh Strainer, serve different roles in the tea-brewing process. 1. Mesh Ball Infuser Often called a "tea ball," this device is an all-in-one tool used to infuse loose-leaf tea directly inside a cup or teapot. Design & Function: It consists of two mesh or perforated stainless steel halves that hinge or clamp together to hold tea leaves captive while allowing water to flow through. Most feature a hooked chain or a spring-loaded handle for easy retrieval from hot water. Common Sizes: Small (approx. 1.75" / 4.5cm): Best for single cups and small-leaf teas. Medium (approx. 2" / 5cm): A standard "all-purpose" size for one cup. Large (approx. 2.5" / 6.5cm): Ideal for large mugs, small teapots, or large-leaf teas like Oolongs that need room to expand. Best For: Single servings and quick cleanup. 2. Handheld Fine Mesh Strainer Unlike the infuser, a handheld strainer is primarily a filtering tool used after the tea has already steeped loose in a pot. Design & Function: This tool features a fine-wire mesh basket attached to a long handle, often with "ears" or hooks that allow it to rest securely on the rim of a cup. It catches loose leaves and small debris as the tea is poured through it. Common Sizes: Small/Mini (approx. 2.5" / 6.5cm diameter): Specifically designed for tea cups, cocktails, or dusting small amounts of powdered sugar. Handle Length: Typically ranges from 6 to 8 inches (15–20cm) to provide a comfortable grip and stable balance across a mug. Best For: Brewing large batches in a teapot where leaves have maximum room to unfurl for full flavor