Overview: Primary tools for the dealer or jewellery so as to ensure the quality of diamond. The loupes with finest free piece boned lenses for distortion-free viewing & extra sharpness Our lenses have minimal distortion around the edge & are corrected for color distortion Each comes in a leather case & individually boxed Portable to does what it suppose to do, easy in use Small, could fit in your pocket if you need to carry it with you for any amount of time Specification:1.38in 0.98in 0.67in