Prochalk Standard Marking Chalk TS86058 It has an accuracy of

It has an accuracy of ±1/16-inch at 10 feet and a range of up to 100 feet

With its extra-strong rare-earth magnet system and a precision-milled V-groove measuring surface

An excellent tool for construction engineers

The Keson Single Measuring Wheel Paint Applicator can simultaneously measure distance while applying paint

2mm with Double Hook

Prochalk Standard Marking Chalk TS86058 It has an accuracy ofRanked first in performance, the Keson Prochalk Standard Marking Chalk can surely make the excellent choice for standard marking. It is great for interior layout, roofing, siding and paneling applications. Plus, it is a suitable brand for interior and exterior use. Configuration Options The Keson Prochalk Standard Marking Chalk is available in different colors and weights. Please select your preference from the drop down menu above. 8B: 8oz, Blue