304 Stainless Steel Material. The inner tank and the 3 layer blades are made of food-grade 304 stainless steel, which is non-toxic and harmless to the human body, and safer to use. The Swing type grinder is more convenient than the stand type. You could swing the machine body to pour the powder out instead of picking up the whole grinder. Steady and safe buckle design, no powder leakage during grinding. Round Fine Mesh Sifter. Pour the flour into the flour sieve, then shake it back or pat the flour sieve. The sieved flour will be more delicate, and the biscuits and cakes will be smoother. You can adjust time within 05 min, when time is up, the machine will stop automatically, no need to wait all the time, save time and effort. When the machine is overloaded, the machine can be restored to work only by pressing this switch, which can ensure the machine keeps running and won’t burn the motor. How to Change Carbon Brushes? Please find the carbon brush port on both sides of the grinder. Rotate the nut counterclockwise with a slotted screwdriver till the little carbon brush is loose enough to take out. Put your new carbon brush into the port, and tighten the nut clockwise. 270° swing grind: During grinding can get more uniform powder and make it pouring more convenient. Safety upgraded grain/spice/herbs grinder:? Alloy handle with safe lid & reverse buckle handle? Timer knob switch and overload protection button? Swing angle adjustment knob and carbon brushes. Suitable for various dried materials like grains, spices, herbs and so on. Easy to Clean by cleaning brush to clean powder and wipe inside with dried cloth. Container can’t be rinsed with water. Continuous Working Time: less than 3 minutes. Interval Time: 5-10 minutes. Powder Fineness: 70-300 Mesh. Crush Level: Superfine Crush. 1, This grain grinder can only be turned on after the lid is fully buckled. 2, Do not put the material over 2/3 of grinding bin. 3, The materials ready for grinding must be dry enough. 4, The whole process is carried out in the closed grinding bin, which will generate heat and cause the machine to heat up. 5, Rest the machine for 5-10 minutes after every 3 minutes operation. 6, When grain grinder is in an overloaded/overheat state, the overloaded protector will work automatically to stop the operation. You need to replace the carbon brushes on the both sides and then pressing the overload protector again, then the grinder could work well. Please be aware that PO Boxes cannot receive items that are too heavy, too large or more than 1 meter in size. If you need to return, please check twice to confirm the item not work and contact our customer service representative, let us know the detailed problem and send us some pictures for confirmation. Please make sure that item has NO man-made sabotage. Used items will not be accepted for return.