STABILA STA-38532 - Magnetic Jamber Level SetStrongest magnets, flush mounted so you can work hand free. Spring steel hairline indicators inside the vials with a Certified Level Accuracy in top read position; 1 32" over 72". Vials will never fog, leak or require adjustment and are readable in every direction with no change in accuracy tolerance. Levels 59" and longer have a bridge over the horizontal vial for uninterrupted scribing and increased frame strength. Epoxy locked vials never need