The blasting gun B with one 35mm nozzle and one holder.

The inlet diameter of blasting gun generally is 10mm and 13mm

The outside diameter of inlet sand joints is 13mm

The inner diameter of putting sand hose general is 21mm.

1. Suitable nozzle (BN-35) :

length 35mm

exteral diameter 20mm

inner diamter 6/8/10mm

material tungsten/ boron ccarbide

the left is made of tungsten carbide, the right is made of boron carbide.

2. gun B