Specifications:Made of high quality silicone, it is is durable and can prevent it from bending.These nozzles have an universal screw fitting to fit standard sealant.They can be served as tools for door and window installation.It can be used for daily maintainence, likes the repair of voids, gaps, wall tiles, floor tiles, and floors.Type: Caulking NozzleMaterial: SiliconeFeatures: Wide Application, Easy to Install, Universal, DurableSize: 8cm x 2cm/3.15" x 0.79" (Approx.)Notes:Due to the light and screen setting difference, the color of the item may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:20 x Caulking Nozzles (Others Not Included)