STABILA Plate Level: Level & Plumb, Box, 2, Plain, Top Read Window, 72 in Overall Lg, Acrylic Block

Extendable plate levels have an extra-long frame and a slide-out rail for additional reach to plumb walls, doors, windows, and cabinets and to level planks, floor boards, and forms. Also known as plate-to-plate levels, they have removable standoffs to work around braces, framing, uneven lath, and surface irregularities. Their frame is reinforced, their vials are bonded to the frame, and their rails lock into position to maintain accurate measurements.