Fangrui Product Details The Caulking Nozzle Is Made Of High-quality Stainless Steel, Which Is Durable And Has A Long Service Life. The Surface Is Smooth, Not Easy To Adhere To The Caulking Material, Relatively Easy To Clean, Easy To Assemble And Reuse. It Can Better Control The Flow And Amount Of Caulking Glue, Provide Better Control, So That The Caulking Glue Can Be Evenly Applied In The Gap, And The Caulking Nozzle Can Save A Lot Of Time. The Nozzle Is Available In Different Sizes To Meet All Your Needs. The Larger Nozzle Diameter Allows More Colloid To Flow Out, Which Is Suitable For Situations Where Large Gaps Need To Be Filled Quickly; The Smaller Nozzle Diameter Is Suitable For Fine Structures, And The Colloid Flow Can Be Controlled To Fill Smaller Or Narrow Gaps More Accurately. The 45-degree Mouth Design Can More Accurately Aim At The Gap Or Corner, Ensuring That The Colloid Can Be Evenly Filled Into The Gap Without Loss Or Overflow. It Can Also Reach These Hard-to-reach Areas More Easily, Making Construction More Effic