Magnetic to adhere to metal surfaces or use enclosed strap, convenient hands-free installation Features 270 degree of adjustment in 15 degree increments Folds for easy storage in tool box or pocket Magnetic post level pack of 4 use on posts, pipes, flag poles, railings and signs. Level in two directions Horizontal & Vertical, contains 3 vials, Weight: 1.2566348934 Pounds, Manufacturer: Wesafrae