22X Builder's Transit Level TS29859 in case something happens to

in case something happens to the original wheel

High-Quality Construction: The type 196-2 K box level is equipped with an open center vial and two plumb vials that allow easy reading

and a laser sensor holder

the Johnson Level 40-6700 One-Sided Laser Detector with Clamp and Backlit LCD Display accurately senses the laser beam outdoors or in bright lighting conditions

computers and TVs

22X Builder's Transit Level TS29859 in case something happens toThe Johnson 22X Builder's Transit Level System is an optical instrument, or a telescope, complete with a built in spirit level used to establish a reference line it is also used to provide readings of angles in precise measurements. It is ideal for leveling foundations, driveways, patios, floors, for grading street, curbs and ditches, for aligning fences or any light construction job. It features a horizontal circle with single degrees graduation and