Designed and fitted with a replaceable, four sided, abrasion resistant, carbideDesigned and fitted with a replaceable, four sided, abrasion resistant, carbide insert. Use for scraping and removal of a variety of coatings and paints from concrete surfaces. Use in removing thinset, mastics, glue, rubber or foam backed carpet residue, dirt buildup, ice and paint. insert. Use for scraping and removal of a variety of coatings and paints from concrete surfaces.