Description: Material: The hot melt water pipe water stop pinfor is made of solid metal stainless steel, which is resistant to high pressure and stable. It can completely enter the concrete structure and has good water stop effect. Performance: The water stop tool easy to use during construction. The construction is fast and efficient. It is available at any time, regardless of season or weather, and can be used for various works, including maintenance works and drinking water. Function: When the water is flowing, it is difficult to repair the water pipe by hot melting, and it is easier to water stop by using the hot melting water stop pinfor. Reusable: The water stop plug is durable, firm and reusable. Application: It is widely used for indoor and outdoor concrete slab cracks, through wall pipes, wall corners, tunnels and other water leaks, with water stop function. Specification: Material: stainless steel Size Chart: 1/2 inch: pipe inner diameter 15mm; outer diameter 21.3mm; wall thickness 2.75mm 3/4 inch: pipe inner diameter 20mm; Outer diameter 26.8mm, wall thickness 2.75mm 1 inch: pipe inner diameter 254mm; Outer diameter 335mm, wall thickness 3.25mm Package Includes: 3 Hot Melt Water stop pinfor (with 1 wrench random style)   Note: Please allow slightly errors due to manual measurement and different monitors.