The Chateau Laguiole waiter-style corkscrew was created in 1993 by Master Sommeliers Guy Vialis and was the first true waiter-style Laguiole style corkscrew on the market. Since it debuted the Chateau Laguiole brand has been the favorite among some of the world's best sommeliers and, to this day is the most sold (and imitated) of all high-end waiter-style Laguiole corkscrews. All Chateau Laguiole including the Opus Series are 100% made in Thiers, France. All Chateau Laguiole wine openers are made of 12C27 stainless steel and weigh around 4 oz (113 grams). The overall length closed is 4.5 inches (11.40 cm). The foils cutter is serrated and measures 1.5/8 inches ~ 4.06 cm).