3" 4-Piece Grinder

LIFETIME WARRANTY Unique Grinding Pattern Magnetic Lid Pollen Separator Double-Lead Threading Grinder Sizes 3.0" (75mm) Featuring innovative coaxial turbine technology, Groove has changed the nature of grinders as we know them. Through its proprietary design, Groove requires minimal material preparation and delivers a light, feathery end-grind, naturally separating unwanted material for optimal purity.