Strait-Line, 150', Extra Large, Layout Pro, Chalk Reel, 2:1 Gear Ratio, Rewinds Line 2 Times Faster Than Traditional Chalk Reels, 150' Heavy Duty Braided Line Resists Fraying & Breaking Over Long Distances, Soft-Touch Ergonomic Grip Provides Comfort & Control While Snapping Lines, Durable ABS Housing Withstands Jobsite Wear & Tear, Large Sliding Door For Easy Chalk Fill, Steel Docking Ring For Secure Anchoring, Robust Steel Handle, Large Center Hub, Deliver Increased Durability, Strength & Torque, Paperboard Band.