If price decides: Brightech LightView Pro Flex 1.75x, at $38.
Highest Magnification in the table: SOOBUYGOO 15X 2-in-1 (15X, stated).
What use this one answers, among workshop machines
A jeweler or esthetician who needs strong light.
Sources
Specifications: the manufacturer sheet for maker machines and tools and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.
A price quoted in the text of a MakerVerdict page dates from the day that page was written; the live figure beside each product is fetched while you read and replaces it.