Black Snap In Type Nylon Locking Hole Plug are used to close any round hole, such as wiring outlets, chassis holes, furniture hole location, window frames, vinyl fences, access holes and elsewhere.Jixiang Connector Black Snap In Type Nylon Locking Hole Plug are made of high quality plastic nylon, suitable for critical or elevated tempurature applications. Available white or black, and can be supplied to match any color.