Scraper, putty knife and leveling ruler are common putty tools. There are three types of scrapers, namely flat scraper, triangular scraper and crescent scraper. The quality of the scraper is closely related to the construction quality and efficiency. Putty knife, also called plastering board, is mainly used for plastering and filling. It is composed of knife body and knife handle. The knife body is divided into two types: toothed and flat edge. The leveling ruler is mainly used for leveling. It is recommended to select the aluminum alloy material.