Home Sir Maruhachi Sangyo Whisk Retro Mayonnaise Maker (Stirrer) This is a manual tool for whisking mayonnaise, cream, etc. It seems you add egg yolks while turning the handle to stir. It can be used for things other than mayonnaise (like dressings). It was stored at my parents' house. The blue container is glass. Height: Approximately 28cm Diameter: Approximately 12cm