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☕ Knock it like a pro — stylish, silent, spotless!
The homeffect Knock Box is a sleek, German-designed coffee grounds container tailored for espresso lovers. Featuring a silent knock-off pad, anti-slip base, and splash-proof raised back panel, it fits most espresso machines with a compact 4.8x4.6 inch size. Made from durable ABS plastic and dishwasher safe, it offers easy cleaning and a mess-free coffee experience, earning top reviews for its innovative, user-friendly design.



| ASIN | B07QTCXTK5 |
| Best Sellers Rank | #73,063 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #28 in Espresso Hand Tampers |
| Brand | homeffect |
| Brand Name | homeffect |
| Capacity | 600 ml |
| Color | Black |
| Customer Reviews | 4.5 out of 5 stars 5,270 Reviews |
| Included Components | Inclusive eBook |
| Item Dimensions L x W x H | 4.8"L x 4.8"W x 4.6"H |
| Item Weight | 180 g |
| Manufacture Year | 2025 |
| Manufacturer | JK eCom GmbH |
| Manufacturer Part Number | AB0001 |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Material Type | Acrylonitrile Butadiene Styrene (ABS) |
| Model Number | AB0001 |
| Number of Items | 1 |
| Product Dimensions | 4.8"L x 4.8"W x 4.6"H |
| Recommended Uses For Product | Espresso |
| Specific Uses For Product | Espresso |
| Style | Modern |
| Style Name | Modern |
| Unit Count | 1 Count |
T**A
Great knock box for coffee grounds
Update: I tried to see if I could get it to work without the basket falling out of the portafilter. I realized we were hitting it too hard! A few gentle taps and the puck/grounds come out without the basket coming off. I now believe this is a great design. Easy to empty and clean. Highly recommended and updated to 5 stars. Original review: We have a small espresso machine, a Breville Bambino Plus, and emptying the portafilter has always been a difficult, messy task. Saw a basket like this at our friend's house, except it was the "traditional" design with a round part across the middle of the bucket. When researching on Amazon, this one seemed like a different design and had high ratings so thought we'd try it. The bucket is a hard plastic but has a rubber layer on the lip that you knock the portafilter against. Overall, it works well but it is a challenge keeping the basket from falling out of the portafilter. We've developed a process of hitting it, pushing the basket fully in, and trying again. It usually takes 3 or 4 taps to empty the grounds. If you hit it too hard, the basket will wall into the bucket. Based on our experience, it seems the style of bucket that has the round knocking part across the middle of the bucket would work better, as it would prevent the basket from falling out. Is it enough for us to get rid of this one and replace it? No, it works with the process we have come up with and is so much better then trying to empty it in a trash can or other methods we've tried. If were doing it all over again, I would be the other style over this one. Your experience may vary depending on what type of portafilter/basket system you have.
K**Y
Simple yet effective!
I recently bought a grinder and an espresso machine, just in time to practice during quarantine. After going back and forth between the espresso station and the trash can a dozen times or so, I figured there would be a better way. I did some research on knock boxes, after an hour or so, I had seen a ton of boxes with the rod in the middle, and just one without with good reviews, the Homeffect. Shipping and delivery was fine, and the knock box came in great condition. Simple instructions, and the ledge to knock your portafilter on is sturdy and gets the puck out no problem. The instructions say you can do it one handed, but in the beginning to use two hands. If you don't knock it at the right angle, the box may shift a little, but after some practice, it is easy to do with one hand and not move the box. I think it's great, but again, I never owned one with a rod in the middle. The box itself holds plenty of pucks for my use. I pull 3-4 doubles a day, and it holds about 4 days of pucks. Cleaning it is super easy, dump the pucks in to wherever you were going to recycle it and then wash it out. Jan, the owner reached out with an additional e-book with ideas to recycle the grounds and making sure the order is good to go. I appreciate the customer service and I feel if I had any problems, I could reach out to the Homeffect team and they would help me. I highly recommend this knock box if you are using it in a home setting and not doing 20+ pucks a day. It has been great for me so far.
T**D
Great Espresso Accessory
Perfect accessory for the coffee top. Nice rugged design, doesn’t take a lot of space (can get near 5-6 pucks of grounds before being emptied ). The rubber accents dull a lot of the banging about between shots. Very pleased
T**D
Superior design; a better mousetrap!
Far better than other knockboxes. Really works, and doesn’t have too much bounce or splatter. Gives you a hard surface to really tap the portafilter on, and its simple design makes it easy to use and easy to clean. Simple, easy, and nice... much much better than the other one I bought off Amazon with the rubber bar suspended on top. Highly recommend. — 4 year follow up update: overall, it’s still my favorite knock box design and implementation. However, at around 3 years, the knocking platform was about completely destroyed. By year 4 it’s in shreds, after trying to reinforce it with a few hacks and epoxy. I still think it’s pretty good, but I would love the same design with a metal reinforced column and a more durable pad. It really takes a beating. For the price, I guess it’s lasted long enough and I can just get a new one, but I prefer not buying disposable products. I may consider how to make a higher quality one of a similar design myself for the future.
B**H
Perfect knock box PLUS!
I love this thing. It is a great knock box in that it is easy to use to knock grinds out, it does not make a mess on the counter, it is quiet and sturdy with good dampening, and super easy to clean. It is my first knock box, but seems like it is cleaner to knock into and easier to clean than the bar variety. PLUS - you can tamp in it (rest the arm on the knock ledge, and it is wide and deep enough to hold a double shot head), so loose grinds are collected in it and not on the counter. PLUS - I have a Eureka Mignon Perfetto grinder, and elevated on a trivet, you can grind into the portafliter over/into this knock box, so extra grinds are collected in the knock box instead of lost on the counter. PLUS - Easy to empty grinds into a large grinds collection container for gardening, etc. The only downside is that it is made of plastic. It is high quality, modern and nice looking plastic, and I am sure the plastic makes it quieter to use while being easy to clean and relatively cheap, but it does look like (nice) plastic. It looks fine by my Euerka grinder and Breville espresso machine, in my marble-wolf-subzero kitchen, but if you are really into aesthetics, this is good, not great.
V**N
Perfect for small spaces.
Very easy to use and not too big. I love it.
B**.
Must have
Best thing ever, didn’t know I needed this to complete my setup. Great quality!
R**Z
Durable and well designed. Good investment.
Does exactly what it's supposed to. The knocking surface is large and durable enough to strike with the permafilter and knock out the puck, and the basin will hold at least 6-7 pucks before needing to be emptied.
G**P
Excellent.
Compact (not too small). Sturdy build (it looks like a ledge, but it’s solid from top to bottom - very clever design). Non-slip. Easy to clean (inside & out). Excellent value - it was worth shopping around for a good design.
A**T
great product
go for it...sturdy and does the job well
A**6
Un pequeño objeto que hace maravillas en su simplicidad y efectividad
El Homeffect Knock Box es un picamarros sencillo y sin piezas removibles, lo que hace que sea mucho más facil de limpiar, incluso en el lavavajillas, el diametro es bastante grande para dejar espacio para que se pueda usar la zona con la goma de picamarros como base para presar el cafè en el portafiltro, tenga picos, agujeros o sea filtro naked. El sistema patentado de columna que llega a la base del tarro permite picar los portafiltros y limpiarlos sin miedo a que se desbalancee y tire el contenido. Contiene muchas pastillas usadas, como unas 10-15, según la cantidad de gramos que se usen y es de plastico resistente, lavable en lavavajillas y espero que me dure mucho tiempo dado que se ve robusto y de buena calidad.
A**D
...
Super
M**K
Cheep and good
Perfect for what it does and is
Trustpilot
1 month ago
2 weeks ago