Good sealing properties fine machining nozzles for sealing are designed in different sizes. The connection seat fitting is suitable for glass glue, sealing glue, epoxy tile glue, structural glue (sausage) and various silicone caulking guns, meeting the filling requirements of different spacing angles, with better sealing properties. Precise designour joint filling nozzle is designed in 45 degree nozzle shape to meet the needs of each column in daily life . Independent protective cover while preventing blockages and waste. Stainless steel + siliconeThe sealing nozzle is made of high-quality stainless steel, which is easier to form and more practical to use than plastic. Abrasion resistant, non-stick brush, no dripping, durable and reusable. Non-stick brush, does not leak, durable and reusable. Detailed Dimensions 22 pieces: This Pack includes 16 sealing nozzles in different sizes, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 18 mm, 20 mm, 23 mm, 25 mm, 28 mm and 30 mm, as well as 6 sockets. This thoughtful and comprehensive combination can meet your different filling requirements. Perfect fit 4 connected bases: available in multiple sizes, allow you to deal with different usage scenarios. Beautiful rubber base, rubber base structure, glass rubber base and arch rubber base structure. Connection tools can be used in bathrooms, kitchens, water tanks, doors and windows, frame joints, exterior wooden houses, etc. Widely used usage