Use ChalkShot for a quick, easy, accurate mark for mounting your cable rail posts. Simply place your top or side mount post in the correct position and use the ChalkShot to mark your mounting screw points with a quick burst of bright green chalk.

• Accurately mark and drill your post mounting screw holes.
• Non-permanent dye that wipes off easily.
• Works on any angle or surface.
• 250+ bursts of chalk per can.