100', Pro Chalk Reel, Speed Line, 3:1 Gear Ratio, Rewinds Chalk 3 Times Faster Than Traditional Chalk Reels, Easy Fill & Lock Top Has 1/4 Turn Locking Top For Quick Chalk Fill, Easy Access To Reel Internals, Hi-Tensile Line Stronger For Fewer Breaks & For Use On Rough Abrasive Surfaces, Line Is 2.5 Times Stronger Than Traditional Chalk Reels, Robust Steel Handle, Large Ergonomic Clutch For Increased Durability, Strength & Torque, Wide Prong Hook For Secure Anchoring, Lightweight Abs Housing Withstands Jobsite Wear & Tear, Clam Shell.