MDX MAGNETIC S3290 Eyeglasses 020 Satin Dark Grey 50mm delivers real-world value. Here’s a closer look: MDX MAGNETIC S3290 Eyeglasses 020 Satin Dark Grey 50mm More info: MDX MAGNETIC S3290 Eyeglasses 020 Satin Dark Grey 50mm. To get 10% discount use the coupon code VSC10.