The Irwin Strait-Line LayoutPro XL Chalk Reels fea Soft-touch ergonomic grip provides comfort and control while snapping linesLarge sliding door for easy chalk fillHeavy-duty braided line resists fraying and breaking over long distances2:1 Gear ratio rewinds line 2X faster than traditional chalk reelsSteel docking ring for secure anchoringRobust steel handle and large center hub for increased durability, strength and torque20 oz. Chalk capacity for fewer refills on large jobs150 ft.The IRWIN STRAIT-LINE LayoutPro XL Chalk Reels feature large chalk capacity for fewer refills on large jobs. The heavy-duty braided lines resist fraying and breaking over long distances.