OLFA Blade For UTC-1, SK-4, SK-5, SK-9 Knives (Pack of 5)
OLFA Blade For UTC-1, SK-4, SK-5, SK-9 Knives (Pack of 5) are trapezoid blades that are made from high carbon tool steel (SK2) and much sharper than other similarly shaped blades. These blades are 0.6mm thick and very strong, suitable for cutting through various types of heavy-duty materials such as plasterboard, vinyl floor tiles, carpet, insulation and more.