User Friendly & MultiColor Option: Easy to install—simply attach to standard tubes.Suitable for both beginners and professional in or construction work Efficiency Boosting Tool: Reduces materials waste and labor time, providing uniform, waterproof, and mold resistant seams Compact and lightweight for easy portability in on site or outdoor projects Precisely 3D Silicone Nozzle: Specially designed for caulking, this nozzle fit 3-R 12 tubes, smooth and even silicone, sealant, or grout lines with perfect round edges for professional results A Step Shaping Design: Features a square base for stable positioning and a conical tip for precisely application, eliminating the need for post finishing Ideal for tiles, corners, and gaps in homes improvement projects Durability & Smooth: Made from hard, resistant to wear and deformation, ensuring not clog flows and long term reuse for kitchen, bathroom, door, and baseboard sealing, Manufacturer: KAHDGSS