Strait-Line 1932878 IRWIN Layout Pro Chalk Reel, 100' 10 oz. Chalk Capacity For fewer refills on large jobs 100' Heavy-Duty Braided Line Resists fraying and breaking over long distances 2:1 Gear Ratio Rewinds line 2X faster than traditional chalk reels Soft-Touch Ergonomic Grip Provides comfort and control while snapping lines Robust Steel Handle and Large Center Hub For increased durability, strength, and torque