Stabila 38624 24" Heavy Duty Professional Magnetic Builders Level w/ 6-Pocket Jamber Level Carrying Case Strongest Magnets, flush mounted - Work Hands-Free Spring steel hairline indicators inside the vials Certified Level Accuracy in top read position - 1/32" over 72" Levels 59" and longer have a bridge over the horizontal vial Patented, epoxy-locked vials never need adjusting