Détails Turquoise handle thickness per plate: 8mm. The azure-blue stone turquoise is used in jewellery and cutlery. Buddhists believe it calms the mind. Size closed: 12 cm Size open: 21.5 cm Hardness: 56 Hrc Weight: approx. 90 g 12C27 stainless steel blade 5-turn corkscrew worm Solid stainless steel bolsters and plates Forged bee 3 mm stainless steel spring forged and hand-engraved with a file Blade stop: to avoid hitting the bottom of the knife when closing Supplied in a black magnetic gift box with a numbered lifetime guarantee With black leather sheath and sharpener Handcrafted in France. Find out more about turquoise stone Turquoise is a semi-precious stone often used to adorn knife handles or as a decorative element in cutlery. It is prized for its vibrant blue-green colour and unique shades ranging from light blue to more intense blue sometimes with brown or black veins that add character to each piece. When used for a knife turquoise can be incorporated into the handle often in combination with other materials such as wood bone or steel creating an interesting visual contrast and a refined aesthetic. In addition to its aesthetic appeal turquoise is sometimes considered a stone of protection and healing in certain cultures adding a symbolic touch to the object.