5.4" x 7.6" post level for simultaneously determining the horizontal and vertical plane of posts, pipes, and beams

Injection-molded acrylic vials-two level and one plumb-resist breakage and have a sensitivity of 0.001"/inch

Folds closed, opens flat, and locks every 15° to accommodate different pipe, post, and beam sizes to 6" in diameter

Four magnets for attaching to metal surfaces and an elastic band for securing to non-metal surfaces

PVC body for impact resistance