Chalk/Plumb line marks on any surface, including wood, brick, stone and metal. Lightweight case is die-cast aluminum with baked enamel finish. Side action winding reel lock releases automatically on rewind. Hook ring holds line securely. Wedge lock plumb bob tip prevents chalk leakage, opens for quick, easy refilling. "Pop-in" line spool is easily replaceable.

Line Length: 100" (30.48m)