Correct

粗细

/ cūxì /
Strokes

Definition

thick and thin/coarse and fine/thickness (caliber)/coarseness/quality of work

Example

As a Noun

(degree of) thickness

1
Zhèyàng
这样
粗细
de
shāzi
沙子
zuì
yòng
合用
  

Sand this fine will be just right.

2
Wǎnkǒu
碗口
粗细
de
gāngguǎn
钢管

steel tubes as big as the mouth of a bowl

As a Noun

crudeness or fineness; degree of finish; quality of work

3
Gōng
工资
duōshǎo
多少
yào
gēn
huór  
活儿
de
粗细
guàgōu
挂钩
  

Pay must be linked to the quality of the work done.