MHW-3BOMBER Flash Tamper 58.35 mm – calibrated tamper with click feedback
Setting the tamper down and pressing downward, at just the right moment you hear it: a clear, quiet click. That's the moment the pressure is right. No guessing, no too hard, no too soft – the next tamp will be like this one, and the one after that too.
A spring-loaded tamper that confirms with an audible signal that the compression is right.
Why even tamping matters
During the shot, water finds the path of least resistance. If the puck is unevenly compressed, it flows faster where it's looser, and the extraction becomes uneven. An even tamp, always with the same force, lays the foundation for that – it's half the battle for a well-rounded shot.
The Flash works with a three-spring system that holds a constant pressure of around 30 lbs; as soon as you reach that point, the quiet click gives the signal. For lighter pressure, a 15-lb spring is included. The titanium base is sturdy, acts antistatic, and retains less grounds, while the handle combines wood and metal comfortably in the hand. Tamping isn't a rule, it's a craft – the Flash just makes it more repeatable. Our opinion is one of many.
At a glance
| Type |
spring-loaded, calibrated tamper |
| Base diameter |
58.35 mm (for 58mm portafilters) |
| Pressure |
constant around 30 lbs, with audible click |
| Springs |
Three-spring system, additional 15-lb spring included |
| Base |
Titanium, antistatic and sturdy |
| Handle |
Wood and metal |
Who it's for
For anyone with a 58mm machine who wants their tamp even and repeatable – whether you're just starting to explore the shot or have been tamping daily for years. The audible click takes the guesswork out of it.
What to pair it with
An even tamp works together with the rest of your setup, and you'll find Tamping Stations, Puck Screens, and WDT Tools affordably in the Normcore Collection and especially finely crafted in the Weber Workshops Collection.
More tampers to compare are in our Tamper Collection. And since the best tamp only works with the right machine, it's worth a look at our espresso machines – supported by our advisory tool.
Frequently asked questions
How does the click feedback work?
As soon as you reach the set pressure of around 30 lbs, the mechanism gives off a quiet click. This way, you tamp with the same force every time, without having to estimate it.
Does the 58.35mm tamper fit my basket?
It's made for common 58mm portafilters, such as those from La Marzocco, Gaggia, Rancilio, or Ascaso. The slightly larger diameter sits closer to the basket rim and leaves less grounds behind.
Can I adjust the pressure?
Yes. Alongside the standard spring, a 15-lb spring is included in case you prefer working with lighter pressure.
Can I see the tamper in person before buying?
Very much so. In our showrooms in Bern (Gerberngasse 44) and Zürich (Hagenholzstrasse 50b) you can experience it live. Online, we deliver in 2–4 business days, Switzerland-wide and to Liechtenstein.
A tip from our coffee roastery
An even tamp shows especially with full-bodied, sweet roasts. Our Cozy Chocolate and Nutty Delight are forgiving and taste well-rounded. For maximum body without acidity, the Very Nutty, for a fruity experience, the Wild Peach. That's our recommendation – one of many.
