Irwin 1932890 Mach6 Braided Chalk and Reel Set, Blue, 100' Carriage Bolts handles greater torque than Phillips

handles greater torque than Phillips or square drive

1/2" diameter

Excellent bead contour

Lockplate keeps jaws from loosening

Irwin 1932890 Mach6 Braided Chalk and Reel Set, Blue, 100' Carriage Bolts handles greater torque than PhillipsThe IRWIN STRAIT LINE MACH6 Chalk Reel features an Easy Fill & Lock Top that provides a wide opening for increased speed and visibility when filling the reel or accessing internals. The top locks securely with a turn to prevent unwanted spills. The 100' hi tensile line is 2. 5X stronger than traditional chalk reels for fewer breaks on rough, abrasive surfaces, and the reel has a 6: 1 gear ratio to rewind the line 6X faster than traditional chalk