One knob is cracked but does not affect it from working. Please see the pictures. This Spectra Precision AL32A automatic level is a reliable tool for any business or industrial setting. It features an optical design that ensures accuracy and precision in measuring elevations and contours. The air dampening system adds to its durability and makes it suitable for tough outdoor conditions. This level is ideal for professionals in the Test, Measurement & Inspection field who require a high level of accuracy in their work. It comes with a sturdy case that ensures easy transportation and storage. Get your hands on this Spectra Precision AL32A automatic level today and take your measuring game to the next level!