High overall hardness, good flexibility, prevents bending, and durable, for daily maintenance, have enough spare tips in the house for your project. Thanks to the slight transparency, you can recognize the of the material and thus avoid unwanted leakage. Often used to repair voids, gaps, wall tiles, floor tiles and floors. Features - Color: White. - Material: Plastic. - Size: 10.00X1.70X1.70cm/3.93X0.67X0.67inch. - This caulk nozzle kit is made of material, durable and reusable. - Caulking nozzles with screw tips for silicone sealant mastic caulk. - The screw helps to prevent silicone from leaking out, keeps caulking jobs clean. - It can prevent air getting in, increases the life of remaining silicone, reduces waste. - Served as tools for door and window installation and daily maintenance, such as the repair of voids, gaps, wall tiles, floor tiles, and floors. Package list: caulk nozzles