When it comes to smoking accessories, Diamond Grind herb grinders from Evolution Wholesale are the go-to choice for smokers who want a combination of quality and style. With over two decades of experience in the industry, Evolution has earned a reputation for producing high-quality grinders that stand the test of time. Recent upgrades include improved threads and a long-lasting anodization process for all colors, ensuring that each grinder is built to last. What’s more, each Diamond Grind grinder is engraved with the year it was made, making it a true collector’s item. They also offer limited edition graphic designs, custom engraving for smoke shop promos, and matching stash jars and shakers to complete the set. Available in 2, 4, and 5 piece models, 9 vibrant colors, and 5 sizes, Diamond Grind products are backed with a lifetime warranty.