Made of metal,anti-corrosion,durable and lightweight. Convert 1/4inch-20 male to 5/8inch-11 male. It is durable and made of robust materials,so you can see they against the standard to prevent wear and tear is at the construction site. Easy to install: the adapter screw is easy to install and remove,takes very small space,easy to carry and can be used while traveling or to meet unexpected needs. This tripod adapter is a small tool to help you connect your handy laser level to your tripod. It allows you to use a tripod with a 1/4inch-20 male thread with your laser which has a 5/8inch-11 female thread. It is easy to use with just a simple twist. Its durable and made of sturdy materials so you know itll stand up to the usual wear and tear that takes place on the jobsite. This tripod adapter is the thread conversion tool for al read with. Its simple to use,durable,affordable and easy to shop Material: Made of metal Size: 5/8inch-11 Male to 1/4inch-20 Female Package Contents: 2 x 5/8inch-11 Threaded Screws