Faithfull FAITKB10 Heavy-Duty Trimming Knife Blades are ideal for general purpose tasks such as cutting and scoring. These blades are constructed from quality SK5 steel and are designed to fit most leading brand knives. The sharp and precise blade can cut easily through a range of materials including carpet, vinyl, cardboard, canvas, leather, and soft plastics. Sold in a box of 10 blades complete with a plastic dispenser. Blade Size: 18.7mm x 60mm. Thickness: 0.6mm. Box Quantity: 10.