Product details : STANLEY 1-47-403 CHALK REFILL BLUE 115G
Special powder - for good adherence and visibility. Water-resistant. Blue: general work, both inside and out. Red: Masonry outside. Don't remove White: indoor use; For example, floor coverings.
Strengths
• Special powder - for good adherence and visibility • Water-resistant • Blue: for general work, both inside and outside • Red: Masonry outside. Do not delete • White: Use within