Braided nylon has less stretch than other lines and is also the strongest. Nylon Braided Chalk Line 18m - English Brothers Ltd 300 Polyethylene Brick Line 18m (59ft) Orange (Box of 12 For use with powdered chalk for marking Length: 18M This listing is for EIGHT bundles Size B is thicker than Size A, Pack of 8 For use with powdered chalk for marking between two points to give a straight line. Braided line resists fraying, and is also useful for a plumb line as it does not spin round as conventional twisted cord. Braided nylon has less stretch than other lines and is also the strongest Braided Nylon chalk lines are ideal for most applications in the building industry. This Braided nylon line is particularly suitable for bricklaying as it is stretch resistant. 18 Meter Building Line Cardoc Cord Braided Nylon Chalk Brick Line Size B 18m Building (4 Pack) TE453 Chalk Line Walmart
