The Faithfull general-purpose heavy-duty blades are made from quality steel and suitable for trade use. The blades are designed to cut carpet, vinyl, cardboard, canvas, leather and some softer plastics.The heavy-duty trimming knife blades are made to fit most leading brand knives. Blade Size: 19 x 60mm. Thickness: 0.6mm.Select Option Box of 100Dispenser of 10 Add to Basket Quantity