This blackened version of classic AceJet throwing knife has the same steel as the other knives - The same top quality Spring Steel 14260, same hardening, same grinding - the only difference is the black surface treatment, which is made by the blackening method. We really like how blackened knife looks like. They look rough, nothing dirt them so easily, rust doesn't attack them so easily and they remain the same amazing throwing knives we are used to. Set of 3 throwing knives exclusively designed by the 5-time World Champion - Adam Celadin. ABOUT Professional throwing knives developed and used by 5-time world champion in instinctive knife throwing and member of the international knife throwers hall of fame Adam Čeladin. MATERIAL The best quality material - 14260 Spring Steel, large thickness of the knives (10 mm) = indestructible knives TECHNIQUE / STYLE Excalibur is the most favorite throwing Knife from the Acejet team and we have totally fallen in love with it! Excalibur Breaker is Middle heavy knife, which is very universal for all throwing technique. Extended lenght - 11 inch (280 mm) means perfect grip of the knife ORIGIN Product is handmade in Bohemia. THIS KNIVES SET INCLUDES set of 3 throwing knives wrapped in the Adam's typical scarf, an ace of hearts, which is meant to place on the centre of the target to strike with the knife, cerificate of authenticity.