The 20oz half tin in two lines
The 20oz half tin is the small piece of the American pair: 20 ounces in 18/10 AISI 304 stainless steel, with a reinforced base that brings it to 165g. It stands 130mm tall, 85mm across the mouth and 60mm at the base.
Who it is for
For anyone who already has the large tin and is looking for its partner. It does not work on its own: it closes the mouth of a 28oz tin through the shake and takes the drink when the two come apart. It is also the spare that always runs short, because half tins get dented and go missing far more often than large tins.
Why weight matters on this piece
The reinforced base takes the 20oz half tin to 165g, and on a body only 13 centimetres tall that is a lot. You feel it in the closing gesture: a light half tin bounces when you tap it onto the large tin, and the seal has to be found twice; with the right weight it goes in first time and stays. The same weight works later, when you stand it upside down on the bar top to drain and it has to stay where you put it instead of rocking.


Specifications
- Capacity: 20oz
- Material: 18/10 stainless steel, AISI 304
- Base: reinforced, balanced
- Weight: 165g
- Height: 130mm
- Diameter: 85mm at the mouth, 60mm at the base
- Dishwasher safe: yes, bare stainless steel with no plating
What a half tin is
It is half a shaker: no strainer, no cap, no function of its own. Anyone buying it as a complete shaker will be let down; anyone buying it as the second half of a Boston has exactly what they need. The name says the same thing, and it is why the catalogue lists it next to the large tins rather than among the shakers.
Which tin it pairs with
With a 28oz. If your large tin is weighted, this 20oz half tin sits behind it with no awkward difference between the two hands; if the large one is plain, the pair still works but the small piece will feel heavier than its partner. That is not a technical fault, it is a question of balance you start to notice after a few dozen drinks.
Twenty ounces or eighteen
Twenty ounces have the wider mouth and take more liquid, so they serve better when the small tin doubles as the second vessel for throwing; eighteen sit more compactly in the hand and move faster. The 20oz size is the one most used in Italian bars, the 18oz is the American and Japanese school. Anyone who already runs a pair should stay with the size they know.
Care
Wash and dry straight away, above all on the reinforced base, where water sits longer than on the wall. The rim is the part to protect: no tapping to break ice and no drops on the floor, because a dented rim stops mating with the large tin and the piece is useless even when it looks intact.
How many to keep
More than you would think. In a pair the two pieces do not wear at the same rate: the large tin stays on the bar top, while the half tin gets tapped, lifted, stood upside down and picked up again dozens of times a night, and it is the one that ends up on the floor. Keeping a spare in the drawer costs little and saves a whole service, because a dented rim always shows up at the worst moment.
FAQ
Does the 20oz half tin work on its own? No, it is half a shaker: it needs a 28oz tin.
How much does it weigh? 165g, thanks to the reinforced base.
How tall is it? 130mm, with 85mm across the mouth and 60mm at the base.
What is the difference from the plain version? The reinforced base: it seals first time and stands still.
Which steel is it? 18/10, that is AISI 304, with no plating, so it goes in the dishwasher.
The more you buy, the less you pay: 4 pieces -5%, 6 -7%, 8 -10%, on the same item.
Dispatched from Rome, Italy. 15-day returns, free of charge. Questions before you order? Message us on WhatsApp on +39 351 929 6937.
The Boston pairs are compared in the shaker guide.






















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