ceramic cleaner for head, it is easy to remove grout or scrape away grout, mortar, caulking, dirt, and surface residue steel & ABS materials, practical and It can be used at both side When installing at front, you can pullit, when installing at back, you can push it Remove unwanted grout, thinset, mortar, caulking or dirt from joints and seams, fits any width of seams or deeper joint An essential tool to clean the or dirt in the for,, Easy to operate, Manufacturer: ERRORY