- Size and contents: 16 nozzle sizes (5, 6, 7, 9, 10, 12, 13, 14, 16, 18, 20, 22, 25, 28, 30 and 35 mm) with 8 connection bases; clear specification markings on the surface for easy identification; choose the appropriate model as needed. - Material and durability: Made of 201 stainless steel and PP plastic; thickened, durable and wear-resistant; effectively rust and corrosion resistant; will not be easily scratched, and provides smooth application; easy to clean and reusable for a long time; large-caliber nozzles for quick filling of large gaps, small-caliber nozzles for fine filling of narrow gaps. - Design and performance: 45-degree duckbill design for precise aiming into gaps or corners; ensures even and smooth filling without leaking or overflowing; helps achieve a good caulking effect and saves time. Easy to install without tape; multiple connection bases provide a firm connection so the nozzle won’t shake or fall off during use. - Compatibility: Suitable for sausage-style guns or tubes with threaded ends; not suitable for typical DIY cartridge guns. - Applications: Reusable sealant finishing tools for filling and trimming joints in bathrooms, kitchens, toilets, water tanks, doors, windows, floors, countertops, sinks, etc.; compatible with structural glue, glass glue and beauty glue.