Sapphire Insert 29.7x20mm (For 35mm Bangers)

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From the people who first brought you sapphire inserts:


Made from pure optical grade sapphire, and highy polished.


29.7mm outer diameter (some 35mm bangers with 2-2.5mm walls will have shrinkage or imperfections blocking them from perfect fits - please measure if you are unsure)

20mm height

2.5mm wall thickness

3.5mm base


Careful tapers at every edge, rounded junction of wall/dish for easy cleaning.