The hands-free crystal clear magnifier is ideal for seeing detail when crafting, painting or reading. It has a strong metal clamp which can be attached to tables or stitching frames and a 19.5cm/ 7 ½" flexible arm which is adjustable to any position. The quality 9cm/3½" lens provides a 2.25X magnification and incorporates a high 4.0X magnification inset lens.Handsfree magnifier for all intricate details.Quality lens with high magnification inset lens.Flexible arm adjustable to any position.Main lens: 9cm/3½" diameter lens, 2.25X magnification.Inset lens: 2cm/¾" diameter lens, 4.0X magnification.Strong metal clamp, attaches to almost anything, ideal for stitching frames.