Description- The 3pc jewelers loupes set includes one 10X 21mm chrome loupe, one 30X 21mm chrome loupe and one 5X pocket magnifier. The 10X power loupe has a focal distance of 1" (26mm), the lens size is 21 mm diameter; The 30X power loupe has a focal distance of 1/2" (13 mm). The lens size is 21 mm diameter, it aslo include a small loop to attach to a neck chain or key chain. The 10X & 30X loupes are made of optical glass and protected when not in use by the swing-out chrome plated metal cover, it's perfect for pawn shops, antique stores and jewelry shops. Both loupes come in a protective plastic case. The 5X power pocket magnifier measures approximately 1 5/8" (41 mm) long and 9/16" (14.5 mm) in diameter; Powerful glass lens is made of optical glass, it also comes with a key chain for your convenience. The complete set is great for rock collectors, coin collectors, hobbyists, jewelers and anyone else who requires distortion free magnification.Brand new