EIN 10X 15X 20X 25X LED Illuminated Double Eye Jeweler Watch Repair Magnifying Glasses Loupe Magnifier Kit (Black) Left right double eye magnifying glasses magnifier loupe, with 2pcs adjustable LEDs to help it work in low-light conditions 4 Different magnifications (10x 15x 20x 25x)can be interchanged Handsfree eyeglasses legs and headband are interchangeable to ensure more comfortable and tight wearing Simple & Easy to use Perfect for mechanical processing, electronic repair, jewelry appraisal, timepieces repair and miniature engraving