Topshop Small Portable Watchmaker Jewelers Eye Loupe (5X 10X (2PCS), Black) Material: ABS Plastic & Acrylic Mirror. Body of thermoplastic lightweight and durable fit comfortably in the eye. Small mini portable size. Easy to carry. Dimension: 1.4  1.4  1.2 (inch) Great for reading extremely fine print, collectibles, arts & crafts, jewelry repair, electronics, science & watch repair, model makers, hobbies and other inspection purposes. Precision-polished lens provide excellent clarity with minimal distortion. An important tool for professional watchmaker jewelers, dozens of uses around the home, shops & school.