SKU: 68705659354

55 mm tamper base knock convex

Sale price$17.84 Regular price$19.82
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Description

55 mm tamper base knock convexJoeFrex 55 mm Tamper Base KNOCK CONVEX All the lower parts of KNOCK CONVEX have a slightly convex pressing surface to compress the coffee powder. Why the name Knock? After pressing the coffee powder for the first time, lightly tap on the side of the filter holder to dislodge any remaining powder on the sides. Then 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

JoeFrex - 55 mm Tamper Base KNOCK-CONVEX

All the lower parts of KNOCK CONVEX have a slightly convex pressing surface to compress the coffee powder.

Why the name Knock?

After pressing the coffee powder for the first time, lightly tap on the side of the filter holder to dislodge any remaining powder on the sides. Then 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.

Why the name CONVEX?

Normally, the surface of the coffee powder 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 dispensed from it can be evenly distributed over the coffee powder and pass through it uniformly. However, if a flat filter is used in the arm, or if much more than 7g (for a single cup filter) or 14g (for a double cup filter) is used, the space between the coffee powder and the dispensing group may be too reduced for optimal water distribution. For this purpose, you can use the Tamper Base Convex, as it leaves a cavity in the middle of the pressed powder, for better water distribution.

The size of the tamper to be used varies according to the manufacturer. Here you will find a list of manufacturers and their required sizes for tampers:

- Delonghi BAR Tamper 51mm
- Dalla Corte 54mm
- ECM Tamper 58mm
- Elektra Micro Casa S1 Tamper 49mm
- Elektra Tamper 58mm
- Faema Tamper 58mm
- Fiorenzato Tamper 58mm
- Francis! Francis! X1 Tamper 56mm
- Gaggia Tamper 58mm
- Grimac Tamper 58mm
- IIsomac Tamper 58mm
- IZZO Lever Tamper 53 mm
- IZZO Tamper 58mm
- Krups Tamper 48/49mm
- La Cimbali Tamper 58mm
- La Marzocco Tamper 58mm
- La Pavoni Club Combo / Duetto Tamper 58mm
- La Pavoni Europiccola Tamper 48/49mm
- La Pavoni Manual Lever for Domestic Use (starting from 1999) Tamper 51mm
- La Pavoni Manual Lever for Domestic Use (until 1999) Tamper 48/49mm
- La Pavoni Lusso Tamper 53mm
- La Pavoni Millennium Tamper 51mm
- La Pavoni Professional Tamper 51mm
- La Pavoni Pub Tamper 58mm
- La Scala Tamper 58mm
- La Spaziale Tamper 53mm
- Nuova Simonelli Tamper 58mm
- Quickmill 58mm
- Rancilio Tamper 58mm
- Reneka Tamper 57mm
- Saeco Tamper 53mm or 51mm
- San Marco Tamper 54.4mm or 53mm
- Vibiemme Tamper 58mm
- Wega Tamper 58mm

Shipping Notes
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Exchange/Return Notes
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SKU: 68705659354

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4.9 ★★★★★
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Martha Feliz
Houston, US
★★★★★ 5
Big tray
Color: Black, Size: Medium (8.5-14''W x 12''D)
Nice and big cutlery fit goog
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Reviewed in the United States on May 29, 2026
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Old Cactus
Bozeman, US
★★★★★ 4
Expandable helps
Color: Black, Size: Medium (8.5-14''W x 12''D)
Because the tray is expandable from both sides it fits my drawer nicely.
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Reviewed in the United States on June 8, 2026
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LORI
Birmingham, US
★★★★★ 5
Works really well and it actually holds a lot
Color: Black, Size: Medium (8.5-14''W x 12''D), Color: Black, Size: Medium (8.5-14''W x 12''D)
Great product I love that you can put it extended open or or not depending on the width of your silverware drawer on your kitchen or you can use it for tools. You can use it for nuts and bolts. You can use it for I don’t know paintbrushes if you want to. I don’t know if you really want to. I have one in my kitchen and I have one in my living room in my bedroom just to put pens and stuff like that in them. If you have a wide silverware cabinet drawers, you can extend it a lot more than what you see in my picture, but I was able to extend it way more than what was there before and I really like how it is.
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Reviewed in the United States on May 26, 2026
J
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J
Houston, US
★★★★★ 5
Exactly as expected
Color: Black, Size: Medium (8.5-14''W x 12''D), Color: Black, Size: Medium (8.5-14''W x 12''D)
This expandable silverware organizer made such a difference in my kitchen drawers. It sounds dramatic for a utensil organizer, but it genuinely made everything feel cleaner, more organized, and less chaotic. I love that it expands because it made it super easy to customize to my drawer size instead of awkwardly leaving unused space. The compartments are roomy enough to hold a lot without everything getting jumbled together, and I like that there are enough sections for silverware plus extra kitchen tools and gadgets. It helped me finally give everything a designated place, which is especially satisfying when setting up a new kitchen. Even though it’s plastic, it doesn’t feel flimsy or cheap. It feels sturdy once in the drawer, slides open smoothly, and has held up really well with daily use. I also appreciate that it’s lightweight and easy to wipe clean if crumbs or dust get inside. Overall, this is one of those simple organizational purchases that makes everyday life easier. My kitchen drawers look so much more put together now, and it’s nice not having to dig through clutter every time I need a fork or cooking utensil. Definitely worth it for anyone trying to organize their kitchen without spending a ton.
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Reviewed in the United States on May 21, 2026
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judy knapp
Boise, US
★★★★★ 5
Expandable drawer organizer
Color: Gray, Size: XL (13-22''W x 15''D)
Wonderful addition to the silverware drawer. It expands to fit the size of your drawer. It is well designed and well made. We are very pleased!
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Reviewed in the United States on May 24, 2026

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