1、Complete Combination: The package contains 16 different sizes of caulking nozzles of 5mm, 6mm, 7mm, 9mm, 10mm, 12mm, 13mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 30 mm and 35mm, with 6 connection bases, such a thoughtful and complete combination can satisfy your different filling needs. 2、Stainless Steel: The caulking nozzle applicators are made of stainless steel, corrosion and wear resistant, strong and sturdy, reusable, durable, rust proof. 3、Wide Applications: This caulking tool set can be widely applied for filling and trimming joints in bathroom, kitchen, water tank, door and window, sink and more. 4、Convenient: The caulk nozzle applicator can be easily taped onto the caulk tool. They are also light and easy to store and carry. Very practical and convenient. 5、Sealant Caulking Tool: It is easy to achieve an ideal caulk effect, and the uneven surfaces will be smoother and more beautiful after filling.