SKU: 77323357338

53mm tamper base knock convex

Sale price$17.84 Regular price$19.82
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 22 - Jul 27

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Description

53mm tamper base knock convexJoeFrex 53 mm Tamper Base KNOCK CONVEX All KNOCK CONVEX bottom parts have a slightly convex pressing surface to compress the coffee grounds. Why the name Knock? After pressing the coffee grounds for the first time, lightly tap on the side of the filter holder to dislodge any remaining grounds. Subsequently, it can be pressed again. To avoid using the base of the tamper or the wooden handle for this light tap on the filter holder, risking damage to

JoeFrex - 53 mm Tamper Base KNOCK-CONVEX

All KNOCK CONVEX bottom parts have a slightly convex pressing surface to compress the coffee grounds.

Why the name Knock?

After pressing the coffee grounds for the first time, lightly tap on the side of the filter holder to dislodge any remaining grounds. Subsequently, it can be pressed again. To avoid using the base of the tamper or the wooden handle for this light tap on the filter holder, risking damage to both the tamper and the filter holder arm, you can now tap with the integrated silicone ring in the base. This idea is patented by JoeFrex.

Why the name CONVEX?

Normally, the surface of the coffee grounds pressed into the filter holder doesn't play a significant role; whether it's flat or concave, there's enough space between the coffee surface and the dispensing group so that the water can be evenly distributed over the coffee grounds and pass through them evenly. However, if a flat filter is used in the arm, or if much more than 7g (for a one-cup filter) or 14g (for a two-cup filter) is used, the space between the coffee grounds and the dispensing group may be too small for optimal water distribution. For this purpose, the Convex Tamper Base can be used, as it leaves a cavity in the middle of the pressed coffee, for better water distribution.

Shipping Notes
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Exchange/Return Notes
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SKU: 77323357338

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James
Houston, US
★★★★★ 5
A Lovely and Useful Gift
Color: Cloud White, Material Type: Paper, PU
I bought this SONGMICS jewelry organizer box as a gift and it was a great choice. The design is beautiful and it keeps jewelry well organized. It’s compact and perfect for travel or everyday use. The person I gave it to loved it and uses it all the time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
J
Verified Purchase
Jeimy Aguilar
Boise, US
★★★★★ 5
Small and cute!
Color: Cloud White, Material Type: Paper, PU
Its perfect!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
S
Verified Purchase
Susan Coutu
Whiting, US
★★★★★ 5
Nice quality, pretty colors
Color: C.Purple
These are very nice. I ordered 6 of these to give as gifts. The colors are pretty, they are a nice size and they can be used for travel too.
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Reviewed in the United States on March 26, 2026
T
Verified Purchase
The Aubin Girl
Louisville, US
★★★★★ 5
Great quality and fits a lot and super cute
Color: A.Beige, Color: A.Beige
I love this for travel and even my every day jewelry throughout the year so it’s all in one safe spot. The quality is amazing and stays snapped shut
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Reviewed in the United States on March 14, 2026
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Verified Purchase
A. S.
Lowell, US
★★★★★ 5
Perfect
Color: A.Beige
I had some jewelry I wanted to gift to mt niece and needed something to send it in. This was a lovely little box, great for travel or sending jewelry in. It was well made, had ample space for different pieces of jewelry and made a really nice little presentation box, imo. It's something she can use regularly on for a trip. I liked it
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Reviewed in the United States on April 9, 2026

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