FOOD GRADE STAINLESS STEEL - The hand mixer is made of food grade stainless steel, rust proof and durable. This semi-automatic mixer has a long service life, saving your time and effort. Sturdy riveted construction - The semi-automatic whisk features a riveted construction. Unlike the unstable welded connection, the embedded rivets are more secure and durable. Press it, it can turn quickly and experience the feeling of easy mixing! Semi-Automatic Design - The stainless steel whisk is spring-loaded, so there is no need for batteries or electricity when working, just press the handle and the whisk will effortlessly whisk the eggs evenly, energy saving and environmental friendly! WIDE APPLICATIONS - This egg mixer can also be used as a milk frother, suitable for mixing eggs and butter. It is also a great tool for mixing coffee and cocktails.