Specifications Frame Material: Heavy-duty aluminum Level Vials: 3 vials, plumb-level-plumb Vial Type: Hi-visibility, impact-resistant block vials Accuracy, Extended: 0.057° Accuracy, Retracted: 0.029° Vial Mounting: Patented triple-secured vial mounting system Locking System: Positive inset locking system Extension Feature: Low-friction brake-pad material for smooth extension and retraction Stand-Offs: 2 inch removable oversized stand-offs Scale: Measuring scale with lock pins at every foot Handles: Ergonomic soft-touch dual hand grips Applications: Framing, wall plumbing, top plate and bottom plate alignment Product Description The Extendable Plate Level helps framers check wall plumb quickly and accurately during framing. Its reinforced aluminum frame, triple-secured vial mounting system, and impact-resistant vials are designed for demanding jobsite use. The level includes removable 2" oversized stand-offs to clear braces or rest between top and bottom plates for single-contact leveling. Low-friction brake-pad material provides strong holding power while allowing smooth extension and retraction. Available in 6 ft. to 10 ft. and 7 ft. to 12 ft.