?Are you the who like camping and fancy cooking outside? ?Have you been looking for a propane safety cap to prevent against bottle gas leaking? -Our propane tank is designed with rubber seal that can keep gas bottle sealed completely in case of leakage. -Let these mini bottle caps be your cooking companion and make you free from cooking troubles. The advantages of our product: 1.They're great for camping, RV use, home applications, BBQ, camping stoves, propane heater or anything that uses propane 2.Designed with brass solid construction,which is durable to use and not easy to break. 3.Provides secure and airtight connection between propane tank and gas grill 4.Protect your threads from damage and dirt. Prevent gas leakage. Product usage: -It can be directly screwed on the pipe for medium, water, oil, steam, etc. High quality brass is more resistant to corrosion. -It is used to close the pipeline and has the same function as the pipe plug. It can be directly screwed on the pipe for medium, water, oil, steam, etc. Product Specification: Material: Brass Inner Diameter:2.4cm/ 0.94inch; Outer Diameter:2.75cm/ 1inch; Height: 1.5cm/ 0.6inch Outer Shape:Rugged Package include: 12* propane bottle caps ?ATTENTION: 1. Please allow a little size deviation due to the manual measurement. 2. Please allow slight color difference due to monitor's brightness and contrast settings.Fengjin team products are reasonably priced, completespecifications, and guaranteed quality. Your support is our biggest motivation.Please inform and promote to friends who need this product. Finally, thank youvery much for giving us a review and feedback. It Will help us understand customerexperience and needs.Amazon product ASIN:B08CC1TKZ2