Magnifier, Needle Guide Uses Magnifier and needle guide for insulin syringes. Directions: Snap B-D MAGNI-GUIDE Scale Magnifier onto metal collar of insulin vial. Uncap syringe and place into B-D MAGNI-GUIDE Scale Magnifier groove. Slide forward until needle penetrates stopper. Draw up dose as usual, viewing scale through B-D MAGNI-GUIDE Scale Magnifier. TO Clean: Use a soft cloth dampened with warm water and mild soap. DO NOT IMMERSE.
Warnings: NOT FOR EMERGENCY OR MEDICAL INFORMATION.