Super Manual Portable Coffee Grinder Steel Grinding Core Espresso Café Tools New. Length of handle: 13cm. Capacity of powder receiver: 20-25g (according to beans type). Material: 304 Stainless-steel, Aluminum Alloy, Wood. Do not clean the grinder with water. The grinder can only be cleaned by dust brush and blower. Please do read our instruction manual and the reference of grinding degree before operation. The burr was calibrated and fixed on the grinder. Self-disassembly may affect grinding accuracy and cause damage of grinder. Grinder, Slip Sleeve, Dust Brush, Dust Blower, Protective Bag, Portable Bag, Instruction Manual The electric drill is not included in the package.