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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4.8 ★★★★★
Based on 87 reviews
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Verified Purchase
steven casteel
Massapequa, US
★★★★★ 5
Best found
Color: Cyan NylonFish
I have a heavy heavy chewer, the only things that has escaped him were items like "kong" solid and rubber but no squeaky. He quickly lost interest in the toy; largely within a week at most and never picks it up again unless really bored. Squeaky toys had a life shelf of a week at best, that is with us taking them away to "preserve" them for longer. So far, this toy, the fish, has been the longest surviving squeaky and the longest at keeping his interest. it has received some cosmetic damage, but nothing that would make you remove the toy from his possession and it STILL squeaks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 20, 2024
C
Verified Purchase
Courtney
Belleville, US
★★★★★ 4
Still holding up to my super-chewer!
Color: Cyan NylonFish, Color: Cyan NylonFish
It's a very good product. I would recommend this toy for a heavy chewing dog. My main reasons it's not 5 stars, it's HEAVY and the eyes peeled right off. My pup really likes to throw his toys around, this thing sounds like a cannon ball that's going to go through our floor! He also tries to destroy everything so he was chewing on the eyes and he would have definitely eaten them if I wasn't paying attention. It's not a horrible thing but I obviously don't want him to eat non food things. My dog also likes the squeaker in it, but it's difficult for me to get it to squeak. That's not a big deal though just thought I should mention it. Overall especially for the price, it's a good sturdy product that's cute and it's still holding up. He's chewed parts of the softer areas off a bit, but the rest is very hard so he hasn't made much of a dent. It's also about as big as his head, so he's pretty happy with it!
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Reviewed in the United States on January 18, 2025
P
Verified Purchase
Patrick
Alexandria, US
★★★★★ 5
Worth it if your dog destroys plush toys & likes to chew
Color: Cyan NylonFish
My dog is a very big chewer and destroyer of toys. This toy is perfect for her. It is durable and keeps her engaged chewing for a while. I have a 55lb dog, considered a large dog, and it’s a great size for her. She’s unable to break it apart. The ends do tend to get a little sharp after extended use
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Reviewed in the United States on February 14, 2026
L
Verified Purchase
long islander
Boise, US
★★★★★ 5
My Boston loves this fish toy
Color: Cyan NylonFish
Very durable. It takes a couple of months of intense chewing to make holes in this toy. My Boston has incredible mouth strength so he destroys most toys in minutes unless they are rocks. I have replaced this fish 2 times in the last year. I keep an eye on the wear and replace it when he makes a hole in it. Worthwhile purchase but monitor the dogs chewing.
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Reviewed in the United States on April 23, 2026
J
Verified Purchase
Jes
Grantham, US
★★★★★ 5
Great sturdy toy
Color: Cyan NylonFish
Great toy. 1 yr old puppy LOVES it! However, not good for TILE FLOORS. It's so strong and sturdy but bangs all over the tile! Enough to crack tiles 😬
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Reviewed in the United States on September 27, 2025

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