Volcano 2 Piece acrylic Grinder
One for the vaporizers or adopted by the doink rollers. Either way you need to grind your herbs super fine to maximise your vaping/smoking potential and this grinder does exactly that.
Designed and produced by Storz & Bickel, who know a thing or two about vaporisers.
Check them out for yourself!
Also available in the XL version which allows a larger capacity but same grind! This really is the ultimate grinder.
Standard - 55mm dia
XL - 90mm dia