Stanley Knives & Blades Hobby Knife Set STHT0-73872About this Item:Two differently sized handles for the use of various blades12 different blade types suitable for a wide variety of materials and applications including high precision cutting,Easy-to-use box provides safe storage for new and used bladesCase for the safe transport and storage of the blades.To assemble the knife, simply slide the handle over the blade and twist the handle to secure it to the bladeLimited Life time warranty offered on the productThe product is manufactured by Stanley Black & Decker with registered trademarks of Stanley, Dewalt & Black+Decker