Toolstop IND96LP-100D 2 Notch Pointed Hook Blades for Trimming Knife 100 Pack (JB96LP0517) 100 Hook Blades in a Safety Dispenser, Made in Sheffield with 1% Carbon Steel. Hooked Blades are designed for cutting sheet material, without cutting through to the layers beneath. Allows you to quickly and easily hook the blade over the end of the sheet then draw back cutting only that layer of material. Features: Heavy-duty blade Perfect for floor coverings and plastic sheeting. Pack of 100  Specification: Blade length: 48mm Blade thickness: 0.65mm Blade height: 19mm