The Great Frog's anarchic vision takes these square glasses into bolder territory. They're detailed with Dagger and Lucky Diamond emblems, which are cast from Sterling Silver by a jeweller in Vicenza. The frame is crafted using weight-saving reverse-milling and structured with custom Lock Down chain core wire. Details - Handcrafted in Italy by expert craftspeople, read more about our craftsmanship story - The Great Frog Collection - Hand cast Sterling Silver Dagger frontal pins - 7-barrel hinges - Hand cast Sterling Silver Skull and Crossbones temple pins - Custom Lock Down chain core wire - Gold-foil logo inside temple - Plectrum temple tips - Need help? Read our full Glossary of Terms Size & Fit SKU: GFOP-007-52-03 Frame shape: Rectangle Lens width (mm): 52 Temple length (mm): 150 Bridge width (mm): 20