Zeluga fixed blade roofing knife with dual magnet and notch and 100ft. contractor chalk 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. Tile installation layout tools like the Contractor Chalk Reel can assist in determining starting point of your job, creating straight tile lines and allowing cut tiles to fall at the edges of a room. This Contractor Chalk Reel uses Poly/Cotton. Assists in determining starting point of your job. Ensure your tile edges are flush to the edge of the room. Create straight tile lines and manual crank reel.