Features: 1Prime Material: This thermoplastic water stop pin is made of stainless steel locking hex, stainless steel washer, plastic sleeve, rustproof, and very sturdy to use. This reliable material is durable. 2Easy to Use: This product is easy to use. You need to install the water stop pin on the wrench and insert it into the PPR water pipe. Twist and tighten it until it stops feeding water. Finally, weld the pipe with a heat fusion machine and then remove the water stopper. 33 Different Sizes: This product includes 3 sizes, 1 inch, 1/2 inch and 3/4 inch. Different sizes are suitable for different pipes. It is light weight, small size and easy to carry. 4Quick Stop: This product stops water quickly, so you don't have to worry about running water. It can be used for a variety of projects, including maintenance projects and drinking water projects. 5Multifunctional Design: It can be used as a water stop pin, which can effectively plug leaks and repair water pipes, ensuring the safety of water pipes in homes and offices. Specification: Item Type: Hot Melt Water Stop Pin Weight: 318g / 11.22oz Product Material: Plastic, Stainless SteelProduct Specification: 1 inch, 1/2 inch and 3/4 inch Package List: 3 x Water Stop Pin6 x Rubber Ring2 x Accessories