The California-born Santa Cruz Shredder has revolutionized the grinder game FOREVER. Having patented their tooth design to be a sure-fire way of "fluffing" herbs to perfection instead of slicing or smashing your precious strain. This innovative, engineered blueprint for success also ensures no dulling, no aluminum debris will mix into your blend, and the teeth are twice as strong compared to the industry's current standard. These stylish, premium-quality grinders have been mastered with a threaded surface, amazing "knurled" grip, superior micron screens, and triple-layer coated magnets that are known for being the sturdiest in the market to date. These gnarly little herb grinders are definitely worth every penny!