Durable Grinder - body, all inner workings, and handle are all either aluminum or steel\nNo guessing how to disassemble, clean, use, and care for your grinder - clear video instructions for disassembly and care are included with product through our website - QR link to instructions are included with purchase\nFast and Consistent Grinds - the JB1 uses a six point 38mm conical steel burr set that rips through beans quickly while producing consistent fine as flour to coarser than sand batches\nWorks when the power doesn\\\'t - not only is our grinder quieter that an electric grinder it also can be taken camping, on the road, or used even in a power outage\nCompact and Efficient design doesn\\\'t have heavy unnecessary housing - Fits in all hands and still grinds approximately 20-25g of beans per batch-depending on bean size and pulling multiple batches is easy and fast due to six point hexagon burr set