- Premium braided line creates an Extra Bold 0.04 in ( 1.0 mm ) line
- Heavy-duty aluminum case integrated with non-slip grip surface
- Large gasket-sealed refill port
- Double-speed winding mechanism
Extra heavy-duty chalk box with an integrated handle release, premium braided nylon/polyester line and matching felt applicator, a wide fill neck, and an integrated case gasket / non-slip grip.
