Eye Glass Plastic with Screw and Silver Ring

(3.3x + 3.3x) Spring steel will catch most frames. Use either single or double. Can be moved without removing them from the frames.

Eye Magnifier 10x Nickelled Superior (Linen Tester)

Two magnifications 2.5x and 2.75x Lightweight construction allows hands free work, a handy tool for students and professionals alike.