This handsome optical-grade crystal glass magnifier features a compass rose, making it perfect for use with nautical charts. With crystal clarity and magnification of 4x, this magnifier enlarges small print on any task and is a welcome addition to desks or chart tables. The scratch-resistant Crystal Magnifier is more durable than acrylic models and is packaged in an attractive, felt-lined gift box. Features: Optical-grade crystalCompass rose4x magnifying lensScratch-resistantApprox. 3" in diameterFelt-lined gift box 4x magnifying lens Scratch-resistant | Weems & Plath Crystal Magnifier (4x) with Compass Rose