Sold as a pack of 6.Olfa HOB-1 Replacement Hook Blade for Olfa HOK-1 Cutter Packaged as 1 Spare BladeBlade Specification:90mm Blade Length20mm Blade Width39.5mm Hook0.8mm Blade ThicknessFits HOK-1Olfa blades are manufactured from high-quality Japanese carbon tool steel. perfect for any application requiring superior sharpness.Ideal for cutting:CartonsPackagesPoster boardCardboardCorrugat..