Here are 4 Major Reasons to love Vvbox’s Manual Coffee Grinder: 1) Quality Tested Multiple Times – The ceramic burr part of our manual coffee grinder was researched vigorously against the competition to prove that it provides the best and most precise grind available. 2) Built for convenience – Easy-to-clean, ergonomic, and built for any coffee maker in the world. We designed this with you in mind. 3) Guaranteed to satisfy – Vvbox offers a 365 Day Money-Back Guarantee for the manual coffee grinder on top of what Amazon already offers. If you are not happy, we will refund your money in full. 4) Loving customer service – Specialty coffee is our lives. We cherish the bond between our customers and their coffee, and we make it our top priority to see you happy. Premium Ceramic + Burr Manual Coffee Grinder: Grinder Material: Ceramic Burr,Stainless Steel Crank, Glass Container Grinder Size: Adjustable Work Pattern: Hand Crank Operated Hand Crank Length: Approx 5′ Apply for: French Press Coffee Maker / Espresso Cofffee Beans Vvbox Manual Coffee Grinder to provide coffee lovers with an inexpensive means to have freshly-ground coffee, even while traveling with a light load.