4 Nozzles 4 anti-drip filling nozzles for replacement can meet your different needs! The tail screw can adjust the single filling amount, and the filling accuracy can reach ±1G How to Install When you get this machine, most of the parts are assembled. You just need to assemble the container and filling pipe. 1. Assemble the connecting rod with an M6 lock nut and washer. 2. Install two positioning rods with M6 lock nuts. 3. Choose a suitable filling pipe and install it on a small funnel. Then install the container. 4. Finally, the entire filling machine is completed and assembled. If you want a more precise filling volume, please install the rod of the dosing device(not included), and then tighten the nut. Package Included 1*Donut Filler 4*Filling Pipes 1*English Manual Other Accessories for Assembly Notes 1. Please note that creams and jellies are not included in the product. 2. Please read the instructions carefully. 3. Please tighten the screws during installation to avoid unstable loosening.