This is the OG high quality plastic grinder - the famous Grinder No. 1 by Grassleaf. The No. 1 is the original shark tooth grinder design and is the perfect low cost grinder. Don't be fooled by imitations - buy the original and the best. The Magnetic No.1 has a strong magnet in the centre to prevent spilling your herbs if you drop your grinder as well as a herb storage section on the lid. Random colour selected.