The weight fits most wide mouth preserving jars. Always measure the jars before placing an order.

The diameter is 69mm as stated above, so the jar needs to have a wide mouth like these Ball ones with 86mm diameter to fit. They do not fit the 500ml or 1000ml Perfit Utility jars.

It is easy to put in and to fish out of the jar by grabbing the center handle. It's heavy enough to keep down the most vigorous ferment and they are really easy to clean and can go into your dishwasher.

They will last you a lifetime of fermenting.

Data sheet

Ingredients
One glass fermentation weight

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