Designed and fitted with a replaceable, four sided, abrasion resistant, carbide Designed 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 thin set, 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.