IRWIN® STRAIT-LINE® Mach 6 Chalk Reel with 6:1 planetary gears, provides smoother line extraction and longer gear life 6x faster rewind than traditional chalk reels. Its anti-jam spool design helps to reduce line damage and aerate chalk.

The open-access back panel enables speedy line changes and cleaning. A large, 1/4-turn locking top allows for quick chalk fill with increased visibility. Its case is made from lightweight, durable Aluminium. Supplied with a 30m hi-tensile line and wide prong hook for secure anchoring.