Zeluga fixed blade roofing knife with dual magnet and notch and 100ft. bold string chalk line reel combo 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. Strong high quality brass wheel for strong blade lock. Rapid blade change with no tools required. Comes with magnet and dual notch. Supplied with 3 heavy duty blades. Blade storage inside handle and available with sheath. Somewhere between a felt-tip marker and a chisel tip marker, lies line left by our bold chalk line.. This string is more often used in higher traffic areas and outdoors. Unique shape great for corner work. Heavy-duty steel crank for long life. Holds 3 oz. of chalk. 100 feet bold string.