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Quantity
1
Replacement coolant sponge for all 3/4" (19mm) and 1" (25mm) Standard BitSerts.
Reviews
4.6
16 ratings
5
4
3
2
1
Love These Things!
They last a long time and its so satisfying to see them expand for the first time haha
G
Grizzly · January 27, 2026
A little large.
The space in the bitsert is fairly small and the sponges are too large when wet. When it’s time to replace the one my new grinder came with, I will be cutting it down before I get it wet.
