Irwin Strait-Line Marking Chalk, Standard, Blue, 5 Lbs 29 CFR 1926.1153 The hex shank provdes a

The hex shank provdes a secure grip in the drill chuck

Set  |  Molded Storage Case  |  Weight: 9

Set Contains 26 Pieces  |  1/2" Drive 26 Pc

10 adjustment positions

The Empire rafter square has conversion tables for common applications

Irwin Strait-Line Marking Chalk, Standard, Blue, 5 Lbs 29 CFR 1926.1153 The hex shank provdes aMarking chalk marks are temporary. Provides greater visibility in standard lighting conditions. Durable formula is weather resistant and suitable for interior or exterior use. Use to show layout changes and corrections on metal, concrete, lumber, plastic, cardboard and other surfaces. IRWIN Tools STRAIT LINE Standard Marking Chalk, 5 pound, Blue Chalk (65101ZR)