Magna Flip Clip on Flip up and Down Reader Magnifiers, Converts Distance Glasses and Sunglasses Into Reading and Computer Glasses, +4.00 Power
Our clip-on flip-up magnifying readers are made to fit most safety glasses. Magnifying readers are great if you do occasional close-up work. Their main use is with periodic close-up examination, reading, and writing. Easy attachment and removal, superior protection and durability, and customized prescriptions mean convenience, easy pocket storage, and safe, healthy eyes.  Lens size - 60mm x 52mm x 138mm Overall Width