Chalk-Rite DURA III Chalk Line. Specially crafted woven snap line creates Maximum Bold 0.1 in ( 2.8 mm ) lines. Large, leak-proof refill port. Ergonomically designed shock-resistant case with a heavy-duty aluminum front plate. Double-speed winding mechanism.
Specially crafted woven snap line creates Maximum Bold 0.1 in ( 2.8 mm ) lines Holds up to 25 oz ( 709 g ) chalk Large, leak-proof refill port Ergonomically designed shock-resistant case with a heavy-duty aluminum front plate Double-speed winding mechanism