The plasterboard is one of the most frequently used tools by the masons. It is the only tool to build walls and smooth the plastered walls. The plasterboard has been upgraded. The plastering board can effectively solve the four major pain points of the master's feeling, toughness, smoothness and rust prevention when using it. It is a necessary weapon for every mason.

With the advent of the tooth-shaped picking knife, it combines the two characteristics of the picking knife and the tooth-shaped scraper. The picking comb has two functions. The tooth-shaped picking knife greatly facilitates the construction operation of the masters, and is a practical and innovative tool.