Irwin 2101103HDQP Strait-Line 3 piece measure and marking set. Everything needed for quick marking and layout on the job site. A 25' tape measure with blade brake and quick mark graphite composite tip means no pencil needed. A SL6x Strait-line 100' high speed chalk reel that is constructed of metal with high impact plastic molded grip for durability. The handle is all metal with a clutch for fast retrieval & line release and also features a line lock for easy 1 handed application. A 4oz bottle of high visibility chalk for self chalking line reels and is ideal for use on a variety of surfaces including wood, drywall, concrete, stone, and metal. .