Our grinders tend to offer the most power and are sure to last, while other grinders come in a wide range of colors, shapes and sizes, all of which offer a great value. Grinders are great for anyone who wants to get the most out of their bud. The bottom layer is set up beneath a fine screen. The screen shifts the bud and allows only the finest crystals to drop through, leaving you with a high-potency result that would have otherwise been lost. It adds value to the grinder and gives it a double function. Check out our wide selection of quality bubblers, bongs and hand pipes, smoking Accessories available to order at Smoknfly.com, your favorite online head shop. Cheers!!