WSC – This general purpose crayon marker is made for a variety of temporary industrial applications where the mark needs to be removed. It writes on most dry, smooth or rough surfaces. WSC is suitable for marking on glass, PVC, tin, iron, steel, wood, concrete, aluminum, etc. The mark is easily removed from non-porous surfaces with water and a cloth. Working temperature range: 14°F to 122°F (-10°C to 50°C).

15mm diameter x 125mm length (5/8” diameter x 5” length). Will fit in most generic lumber crayon holders for frequent use.

GHY – The GHY general purpose crayon marker is made for a variety of industrial applications. It writes on most dry or wet surfaces (except on wet glass). It is waterproof and highly fade-resistant on most non-porous surfaces and is easily applied on smooth and rough surfaces. Marking surfaces include PVC, tin, iron, steel, wood, concrete, aluminum and glass. GHY is removable from most non-porous surfaces only through friction caused by hard rubbing. Working temperature range: 14°F to 122°F (-10°C to 50°C).

15 mm diameter x 125mm length (5/8” diameter x 5” length) Will fit in most generic lumber crayon holders for frequent use.

Note: Is not waterproof on glass and will not work on wet glass.