Please note: There may be slight color difference or discrepancy in the actual product, which does not affect the use, please don't mind, thank you! [Use with Property Marker Pins]Use with property marker pin to mark your property lines. It help you have a target and expand visibility of stake when looking for your property markers with a metal detector [High Quality Metal]Washer are are made of Metal, not thin metal, which is and last longer in harsh outdoor weather conditions such as high temperature, low temperature and high humidity [6 PCS Stake Washer]You receive 6 PCS high quality Metal 4inch washers for survey stakes. The large size is perfect to allow you to move quickly with broad of the metal detector and still find them [Easy to Install]Installs under survey stake and flush with ground so you can easily mow or drive right over them. Used to stabilize property markers and keep the stake from buried. Easy to spot even in the middle of a flowerbed, or among brush, Manufacturer: Akfldms