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I was so excited when I discovered the WPM ZP-1. The ZP-1 is just so precisely engineered and so solidly built. It is the "Apple" or “Rolex” of single dose coffee grinders."

It’s difficult to explain just how good this grinder is with words. This is the sort of grinder that needs to be seen and touched. When it comes to the actual performance this is grinder is as good as it gets. It’s very quiet. Grind retention is low (~0.2g) and that’s without bellows. Bellows are simply not needed with this grinder. Coffee grind is consistent, clump free, and tidy (mess free) due to anti-static technology. When it comes to espresso in the cup this grinder is amazing - clean with great body as well.

Tom from Tom’s grinder lab agrees with me and you can hear all about it in his in depth review below.

WPM ZP-1 Features:

• Precision engineering

• First class materials

• Beautiful to use

• 64mm planar burrs

  • diamond like coating (DLC) - to last a lifetime

  • manufactured by Keber, Italy

  • low fines, perfect for modern espresso, with a balance between clarity and body.

• High torque DC motor - an insane 1.9 Nm

• Ultra low grind retention - 0.2 grams without any bellows

• Anti-static technology for tidy, mess free grinding (mid 2025 model)

• Catch cup riser

• Whisper quiet

• Buttery smooth and easy to read dial

• Variable RPM

• Magnetic catch cup

• Additional lower burr holder for quick burr changes

• Rubber ring for grind adjustment collar (optional, removable)

• Magnetic chute - takes 1 second to remove

• One twist upper burr carrier removal - you can remove the upper burr in 1 second.

• Made in Hong Kong, by WPM, manufacturers of the Niche Zero and Niche Duo, but with performance, workflow and build quality that eclipses that of the Niche grinders.

• Note - bellow are available but are definitely not needed - WPM ZP-1 grind retention is near -0.2g without bellows.

WPM ZP-1 Specifications:

• Solid aluminium body

• 64mm DLC (diamond like coating) planar burrs

• Step less adjustment

• Adjustable grind speed (600 to 1300 rpm)

• Brushless DC motor

• 220 - 240 V / 50-60 Hz

• 155 W

• Dimension (D*W*H in mm) - 277 * 138 * 330

• Weight - 8.2 kg

• Made in Hong Kong