BM-8 Bar Magnifier with 2.5x magnification and 8" Inch length this is our medium size and most popular model. Our premium dome shaped acrylic bar magnifier is perfect for reading reading newspaper, bills, small type this medium length is ideal for most books and is the most powerful bar magnifier available. Easy to use just place the bar magnifier down on the surface and effortlessly glide it across the surface for 2.5x magnified type 8 inch length makes this bar magnifier ideal for everyday use and to magnify a over 2 full columns of print. (Total length 8 inches)