Package contents: they are enough for your daily use and can be your nice helpers for marine work, they can also be your spare drain plugs on your boat, you can also share them with othersReliable material: we adopt Stainless steel + rubber material for these twist-turn boat drain plugs, the plug is made of rubber and the handle is made of Stainless steel, which is strong and not easy to bend, the handle is not easy to get rusted, can you for a long timeEasy to use: these twist drain plugs are simple to install on your boat, you just need to remove the old ones and stick the rubber plugs in the holes, and then twist the T-handles to lock in place, the installation is simple and can be completed in a few minutesWild applications: these brass handle rubber plugs can be applied in many occasions, you can use them on lifeboat, fish boat, ferryboat or breakwater, they can create watertight seal on your boat, and can also be helpful tools for draininTwist turn -Fully adjustable will not leak or jar loose under vibrationColour:Silver+blackMaterial:Stainless steel + rubberSize:34 x 28mmPackage Contents:1 x boat Drain PlugOnly the above package content, other products are not included.Note: Light reflection 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.