This item is an ideal tool for applying texture to walls and ceilings. It can also be used for applying decking surface, fireproofing and water-proofing materials. Multiple Size: There are three-sized paint nozzles, 4mm, 6mm, 8mm. Nozzles of different sizes can create different textures. Select the right size according to your needs. Easy to Use: The wrench of the spray gun is consistent with human mechanical engineering, so you can easily use it.