From the Manufacturer Stabila's 38636 - 36" Magnetic builder's level is one of the new "best of the best" professional levels. As the industry leader, Stabila has improved on the "world's best level" with the new type 96M series. New technology "rare earth" magnets have 10 times the holding power of standard magnets. This level also has a wider profile which means an even stronger frame. The accuracy is certified, top and bottom readings and sports a new rubber hand grip design. Rubber pad end caps and wall grips that are functional yet removable for flush measuring. (bent frame voids warranty).