Perfect tool for watch making or repair, viewing jewelry, coins, stamps, houseplants, rock collection, horticulture and so on. Magnifier is made of Plastic and high quality optical glass lens. Light weight, easy to carry. Great product for the watch making industry, specially for inspecting those tiny objects. The optics loupes magnifier with 35X magnification can provide you more clear and close view for tiny objects. There are 5 different types, 5X 10X 15X 20X 30X Excellent gift for children or adults. Suitable for jewelers, watchmakers, geologists, coin and stamp collectors, photographers, and hobbyists. Colour:black Material:plastic Package Contents: 5 x magnifying glass with different magnification 1 x steel ring Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.