Description:- For long straight cuts blades additionally inductive hardened and ground, 56-58 HRC adjustable, bolted joint black handles, PVC dip coated, trap protection, opening spring for Elora-No. 284-250: metal sheet thickness of max. 1,5 mm with a tensile strength of 400 N/mm or 1 mm with 600 N/mm high grade tool steel, forged