Putty knife, also known as plastering board, is a tool made by a craftsman. Putty knife is a tool for leveling and plastering. Putty knife is made of carbon steel, manganese steel and stainless steel, which is the same as putty knife, and consists of knife body and handle. Putty knife has toothed putty knife (teeth have sharp teeth, square teeth and solitary teeth) and flat edge putty knife.

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.