Stabila 38624 Type 96M magnetic level, 24" in length, includes extra-rigid rectangular aluminum profile with reinforcing ribs, two milled measuring surfaces, suitability for overhead (vial down) measurement, removable shock-absorbing end caps with anti-slip wall grips, and rare earth magnets. Strongest magnets, flush mounted - work hands-free. Spring steel hairline indicators inside the vials. Certified Level Accuracy 1/32" over 72". Removable rubber end caps for flush measuring in corners. Patented red pads on end caps grip walls & flat surfaces - prevents slipping on walls. Level accuracy guaranteed for life; vials will never fog, leak or require adjustment. Readable in every direction with no change in accuracy tolerance. One horizontal (level) and two vertical (plumb) vials - vials are guaranteed for life.