1, flat nozzle spray line, sharp nozzle dotted line.

2. The spraying effect is different. If you want to be bigger, you can use a flat mouth, and it is better to use a sharp mouth for smaller or finer sand.

3. Using different particles of real stone paint requires using different nozzles. Small nozzles with large particles will cause blockage and cannot be ejected. Small particles from large nozzles will flow too much, causing waste.