Chalk Refill Prochalk Semi-Permanent Size:8oz. VOCs : 34 g per

VOCs : 34 g per L

• Prepare concrete surfaces according to subfloor preparation requirements of the underlayment or patching compound to be applied

Do not use on aluminum

They are DOT approved in the USA and Canada and are constructed out of a durable non-corrosive polycarbonate material

Sold as a pair

Chalk Refill Prochalk Semi-Permanent Size:8oz. VOCs : 34 g perProChalk Semi Permanent chalk for weather and water resistant lines that hit and stick for a long time but will eventually wear away naturally. Exterior applications include concrete layout, roofing, metal fabrication. PERMANENCY STANDARD HI VISIBILITY SEMI PERMANENT PERMANENT UNLIMITED DYE COLOURS Blue White Lime Orange Yellow Black Red Back Blue Red Bue Red PERMANENCE RANK 1 2 3 4 5 BEST FOR Interior Exterior Exterior Exterior Exterior Exterior