Nichols Bros 13” Bullnose Scimitar Carbon Shear Steel 19th C Early 20th Fish Breaking Seki Kanetsugu Zuiun knives are Thin light and super Seki Kanetsugu Zuiun knives are hamaguri convex hand ground damascus clad SG2 stainless steel with a seven sided septagonal pakka wood handle Wearing’s father taught his son how to solder long lived edge and was one of the top steels in the 19th century western knife making large numbers of these were heated for days on end at high temperatures and the resulting bars were broken up (it would break or shear rather than bend once carbon added hence 'shear' steel) and forged welded into a larger mass