Fixed blade roofing knife and 100 Pc. utility hook blade with wall mountable dispenser value pack. Dolphin shape ideal to cut without scrapping knuckles. Ideal for cutting more resistant materials (paper, cardboard, plastic, leather). Light weight aluminium body combining ease of use and durability. Rapid blade change with no tools required. Strong high quality brass wheel for strong blade lock. Comes with magnet and dual notch. Supplied with 3 heavy duty blades. Blade storage, available with sheath. Blade shape prevents damage to surfaces below. It cuts and trims roofing materials, linoleum, carpet, fabric, cartons and sheet metal. The hook blades is made from professional grade SK5 carbon steel for enhanced durability and superior edge holding ability. Can be mounted to securely install on a wall for easy access with 100 count dispensor. The blades fit most standard utility knives. Blade length 1-15/16″ and thickness 6mm.