Marking Pencil, Mechanical, Refillable, Black, Sold as 1 Dozen

Mechanical marking pencil, refillable that writes on any non-porous surface such as metal, acetate, plastic, glass and even photos Wax lead is non-hazardous and non-toxic, making it safe for use in both industry and households Unlike peeled porcelain markers, these mechanical pencils can be used completely (no waste) and can write on wet and damp surfaces Easy to clean with a cloth and a little window cleaning spray or use some water and some grease on the elbow Used extensively in restaurants to write on plastic packaging and glasses; construction industry for marking on tiles, wood, metal, concrete etc. ; families to mark on freezer bags, milk storage bags, general storage boxes and many other uses