Tajima Chalk-Rite® Dura II Extreme Bold Chalk Box CR503S

Extra heavy-duty chalk box with new Extreme Bold Snap Line™ which holds double amount of chalk comparing to Extra Bold Snap Line™ is suitable for field work which require continuous snaps. New canister fill cap enables chalk replacements.

Features:

• Premium braided snap line creates Extreme Bold 0.07 inch lines
• Double-speed winding mechanism.
• Heavy-duty aluminum case integrated with non-slip grip surface.
• Large refill port also allows for convenient chalk replacement
• Holds 2x more chalk than the Extra Bold Snap Line marking tools.
• Positive gear-lock line hold, automatically releases during rewind.
• Also features a folding crank, easy-fill spout, and a tool to facilitate line replacement.