Carson Optics Sure-Grip SG129 3 8" overall. 2. 5x power magnifier with an ergonomically designed soft grip handle for the ultimate in comfort. Its crystal clear all acrylic lens gives you a sharp distortion free view and a 10x high power spot lens allows you to see even the finest details with ease. Great low vision aid. Ideal for needlework, arts and crafts. Perfect for reading small print. Great for viewing stamps and coins. The soft padded zipper pouch protects both lenses.