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Unmatched Quality

With a precision-balanced head and strong neodymium magnets, Groove grinders glide through your material with a fluid, easy turning motion.


Turbine Technology

Featuring innovative coaxial turbine technology, Groove™ requires minimal material preparation, and delivers a light, feathery end-grind, naturally separating unwanted material for optimal purity.




Optimized Threading

Optimized double-lead threading dramatically improves ease-of-use, allowing for quick chamber access.


Aircraft Alluminum

Our grinders are milled from 6061 aircraft-grade aluminum, anodized and bead-blasted for a handsome, distinct finish.