Silver 50 mm half magnifying glass with high quality metal and metal, optical glass lenses for the production of materials, the main products of this product is a half metal and optical glass lenses made from silver frame and shockproof handle a diameter of 50 mm magnifying glass, it is essential for the elderly, children's good toys, weak eyesight right-hand man; It is a good assistant to distinguish real and fake RMB, stamps and antiques. It is also one of the necessities for old friends.