Keson ProChalk Permanent Chalk 169973 Lock-on mode delivers continuous power

Lock-on mode delivers continuous power to secure drywall panels

One-Handed Control

4-position orbital action provides control of cut quality and speed

contractor quality post hole digger with a unique clam-shell & lever design to accommodate working in tight locations/close to obstructions

preventing wear on the steel core

Keson ProChalk Permanent Chalk 169973 Lock-on mode delivers continuous powerProChalk Permanent chalk for weatherproof and waterproof lines that arent going to go away any time soon. Most users are choosing this level of intensity for applications that are going to be covered. This level is engineered for more extreme conditions. Exterior applications include exterior layout, extreme conditions, concrete layout, long term applications.