Material: This adjustable cam drain stopper is made of brass and rubber, which are wear-resistant, allowing for long-term reuse. Easy and quick to use. More spare parts are recommended under normal wear and tear. Rubber plugs are neatly cut without burrs. Twist the rubber to lock it into the hole, turning it counterclockwise for easier removal. Insert the drain plug into the drain opening and turn the handle clockwise to tighten it into place. The handle snaps down to lock the plug in place. Lift the handle to unlock and turn the handle counterclockwise for easy removal. Easily and reliably plugs boat drain pipes. Material: Rubber Color: As shown Package Contents: 1 x Boat drain plug Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. The measurement allowed error is +/- 1-3cm.