1.5x 2.5x 3.5x Plastic Case Clip-on Glasses Type Magnifier Magnifying Glass | eBay
Amazon.com: Clip On Magnifier for Glasses with 3 Interchangable Lenses,Clip On and Flip Up Hands-Free 1.5X 2.5X 3.5X Eyeglass Magnifier for Reading,Needlework,Hobby,Map,Crafts,Fly Tying,Clock Repair,Jewellery : Health & Household