Clip-on Flip-up Shade 3.0 Eye Glasses

153003 Phillips Clip-on Flip-up Shade 3.0. Shade 3 is much lighter than Shade 5. If you are using didymiums instead of the proper borosilicate glass eye protection and you are not ready to purchase a proper pair, you can use these clip-ons temporarily. Should be replaced periodically. Warranty Info: One year full replacement on manufacturers defects. Lifetime replacement warranty on all non-economy frames, excluding hinges and nose pads.