40 Replacement Sealant Nozzles: You will receive 40 silicone sealant nozzles measuring 3 x 18 x 105 mm. There is a sufficient number of sealant nozzles available for your needs and replacement. These nozzles are easy to replace, allowing you to replace them faster and with less effort next time. Convenient Silicone Nozzle Replacement: Silicone nozzles are the ideal accessory for caulking guns. Adopt a standard-size internal thread design, which is easy to install and tighten and does not easily fall off. With it, you can easily repair cracks in tiles, floor joints, or sinks. High-quality materials: The crevice nozzle is made of high-quality plastic and is very durable. It is resistant to bending and corrosion. You can safely use them with silicone, sealants, incense, and putty. Excellent Performance: You can cut the plastic nozzles to the right size according to your needs to help repair gaps in tiles. The small tip can effectively reduce glue waste and make it more flexible to use.