Irwin STRAIT-LINE 5 Lb. Blue Standard Chalk Line Chalk Nutsetters Patent Pending welded cutting edge

Patent Pending welded cutting edge for increased durability

(NRR 20dB)

Cermet (Ceramic and Metallic) teeth provide a high heat tolerance and increased hardness for superior wear and ultimate cutting life

70% larger strike face than traditional hammers for improved striking accuracy

hole saw mandrel arbor

Irwin STRAIT-LINE 5 Lb. Blue Standard Chalk Line Chalk Nutsetters Patent Pending welded cutting edgeSTRAIT LINE chalk for reel type chalk line boxes. Packaged in plastic squeeze bottles with fast fill spout. For interior or exterior use on a variety of surfaces including wood, drywall, concrete, stone, and metal. Marks are temporary. Provides great visibility.