Westmark Hermetus Steel 3-in-1 Bottle Opener & Resealer – German Beer Bottle Opener with Airtight Seal, Made from Heavy-Duty Steel, Traditional Design

I now own four of these. They are well build, made with very good material. The rubber part that seals bottles doesn't wear out (even after several years). Sliding the re-sealer onto a bottle really creates a tight seal and is not affected by any pressure within the bottle. It also opens twist top caps. The opener works as it should, though some may not find it as comfortable in the hand as some stand-alone openers, but that is getting picky. I have never had any problems with it. Can't recommend these enough

Great bottle stopper and opener. I can't believe I waited decades to find this :-) I works great on glass bottles of Mexican Coca-Cola and Guinness. Buy two of them so you can give one to a friend that you like :-)

No complaints whatsoever. Seals the beer perfectly. The nature of the device is that as you pull and twist it along just a bit - very easy to do - a dense kind of rubber surface is forced against the top of the bottle, creating a perfect, solid seal. And I do mean solid. Complete and unshakeable. German engineering and simplicity. The device is also a bottle opener, which may not seem like much, but it's an excellent and satisfying opener to use. And then instantly, the bottle is sealed any time you want it to be. And by sealed, I mean perfectly. Absolutely perfectly. You could shake up as much as you like and nothing is coming out. You can toss it as far as you like, and if the bottle itself doesn't break from the landing impact, the thing is sealed as tightly as it can be. I cannot imagine how this item could be improved. Over time, the device kind of opens gradually from the pressure of twisting it on - but hey, German engineering: they've accounted for that by making the thing get narrower as it goes along and the device just makes the same seal further along. I've had them for longer than I care to say, and the older ones seal at a different point than the new ones, but the older ones aren't going to stop sealing because the way it narrows - you'll realize what I mean when you get one, just moves the sealing point a little further down, and clearly the end is so much smaller than the top that it's never going to reach the point where this thing doesn't seal. If you're looking for the total, complete resealing solution, this is the BMW, the AUDI of resealers. A whole other level than the simple ones of various kinds. If I keep going I'll just end up repeating that it's absolutely perfect for what it is: a beer bottle resealer.

Wasn't quite sure how this little unit would work, Pleasantly surprised. Performs as advertised, opens bottles flawlessly, best part it actually tightly seals the bottle. I opened a beer to see how it works on sealing, let it sit in frig for about three hours. Slid the top piece off and voila seemed like I just opened a fresh beer. Love this little unit. It will get lots of use here. Sturdy construction, seals very nicely , price point very good. Making it easier to open, see photo's 3/4 use it upside down putting your thumb on the red part. The other way the rough edges push into your finger when opening a bottle. The unit is really handy . still 5 stars

I bought both the westmark hermetus and the sizzler at the same time to use for the season (3 months) down in baja mexico. We buy our bottled beverages in 1.2 liter bottles and you don't always want to drink 1.2 liters in one sitting. The westmark does a great job of opening bottles and it's fairly sturdy as there are no moving parts to break. However, the way it seals bottles is by wedging on top of the bottle lip, and it can become unsealed by pushing it the other way. Because of this, I can't recommend using the westmark in a cooler where you have bottles touching each other or bouncing around. Not a problem if you are using it in a stationary location. Also of note, look how far out it sits on top of a bottle. It can be a little awkward in a fridge if you have it next to a bunch of other bottles; it's less space efficient.

Is an amazing bottle opener, does not crease the cap after opening making the cap resealable in most cases. German engineering at it's best...

Works like a champ at sealing opened bottles. Easy to slide it securely closed and just as easy to open. Fantastic!

I sing in a band and, due to a brain tumor and subsequent surgeries, being my own sparkling mineral water with me to gigs (I bring sealed liter bottles that the bar opens for me). The glass liter bottles don't have screw tops so, once opened, they'll go flat. This opener works well to keep the bottle sealed while the bar keeps it in the cooler. Every bartender has commented on how cool they all think it is, and I agree!

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Perfecte tool

Très pratique 👍🏻