Reusable water stop Waterstop pins are durable, rust-proof, strong and reusable. Widely applicable Widely used in indoor and outdoor concrete slab cracks, wall pipes, wall corners, tunnels and other seepage and water blocking. Easy to use The construction process is simple and the use is convenient. Fast and efficient construction. always available Construction is not limited by season and weather, and can be used for a of projects, including major repairs and drinking water projects. To feature Sturdy material Stainless steel locking hexagon, stainless steel gasket, brass thimble, high pressure resistance, stable and reliable, so that the slurry can completely enter the -type cracks inside the concrete structure, and the water stop effect is good. Style:A Material:Stainless Steel + Brass colour:Black+Silver+Copper Package Contents: 1 * Hot-melt Water Stop Pin 1 * wrench Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.