PRODUCT DESCRIPTION STABILA Plate Levels are designed for precisely positioning top and bottom wall plates plumb quickly. In addition, they are the best installation tools for tall doors, floor to ceiling sliding glass windows and high risk custom kitchen cabinet installations. FROM THE MANUFACTURER Stabila Plate Level II - Plate Level extends from 7 to 12 feet and is designed for the residential framer or any contractor that needs fast and accurate wall installations (plumb plate to plate) or wide horizontal projects. The magnets have incredible holding power and will confidently hold the Plate Level in place on steel while you work "hands free". Guaranteed accurate for life, these extendable levels are extremely accurate and extremely durable. Made in Germany. (bent frame voids warranty).