Package Complete Combination: Universal stainless steel silicone caulking nozzles include 18 different sizes: 5 mm, 6 mm, 7 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, 30 mm, and 35 mm, along with 10 connecting bases and 4 scrapers. Sufficient quantity for smooth and efficient work.Slope Ingenious Design: Caulk nozzle applicators feature a 45-degree muzzle design for achieving a precise caulk application. The design ensures smooth and even sealing on various surfaces. The elbow base allows easy application in corners and uneven areas without leaving stain marks, enabling faster and cleaner results.Reliable Quality: Silent caulking tool made from high-quality stainless steel. Durable, wear-resistant, and non-stick brushed surface ensures long-lasting performance. Simple and convenient to use, suitable for repeated applications over extended periods.Universal Type: Caulking nozzles come in multiple sizes to fit most angles and areas. Designed to provide smooth, even, and precise sealing on various surfaces and joints, delivering a professional caulking finish.Widely Used: Ideal for all sealing tasks. Perfect for gutters, windows, doors, bathrooms, kitchens, and other household areas. Suitable for various caulking needs, this kit ensures clean and even application without mess, making repairs easier and more efficient.Note: Slight color variations due to lighting or screen display differences may occur. This does not affect product usability. Color: Red + Yellow Material: Stainless Steel Package Contents: 18 x Nozzles 10 x Base Adapters 4 x Scrapers Only the above items are included; other accessories are not part of the package. Note: Allowable measurement error is +/- 1-3 cm.