Specifications: Made of premium plastic and metal material, the locator is wear-resistant, not easy to break, durable and practical. It is not easy to deviate, you no longer afraid of caulking nozzle slant out of the gap when caulking, saving time and caulking materials. The sealant assistant can be used for kitchen, bathroom, tank, door, window, kitchen, sink joint filling finishing, making smooth and straight caulking. Compact size and lightweight, simple installation, you just need to twist the knob to lock it, which is the easiest way to make straight caulking quickly and effortlessly. Item Name: Sealant Assistant Material: Plastic, Metal Features: Multifunctional, Easy to Use, Sturdy and Durable Length: 5cm/1.97" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Sealant Assistant