MHW-3BOMBER Astra Collection Tamper

The constant pressure mechanism ensures you apply the exact same force to your coffee grounds with every tamp. This eliminates the variable of human error, resulting in a uniform puck density that prevents channeling and leads to a more consistent extraction shot after shot.

You should choose the size that matches the inner diameter of your portafilter basket. While 58.5mm is the standard for most commercial-style machines, you should measure your specific basket or check your machine manufacturer's specifications to ensure a precise, snug fit.

Because this is a constant pressure tamper, you don't need to worry about guessing how hard to press. Simply place the tamper on the coffee bed and press down until the mechanism engages; the tool handles the calibration for you, ensuring a level and even tamp every time.

It is designed to work with standard espresso baskets corresponding to the 51mm, 53.35mm, and 58.5mm sizes. If you are using a precision or 'high-flow' basket, verify the exact inner diameter first, as these can sometimes vary slightly from standard sizing.

Wipe the base with a clean, dry microfiber cloth after each use to prevent coffee oil buildup. Avoid submerging the tamper in water or using harsh detergents, as this can damage the internal spring mechanism and the finish.