Specification：  

Type: Brush
Brush material: nylon
Shape: bar
Function: Dust removal
material: metal
Type: Brush
Handle material: iron
Brush use: bottle brush

Full length 210 (mm)
Length of bristles 15 (mm)
Brush thickness 15mm
The total length of the brush is about 21CM,

 and the diameters are 2MM/3MM/4MM/5MM/6MM/8MM/12MM/16MM/20MM/24MM