Take the Math Out of Grading Set any point to zero, eliminate constant grade calculations, and get accurate readings without the guesswork. Working off grade plans shouldn't mean stopping to calculate every elevation change. The Quick-E-Laser Rod simplifies grading with a telescopic internal foot that lets you establish any reference point as 0". Read elevation differences directly, reduce calculation errors, and keep your crew moving. Less Math. More Accurate Grading. Set Any Point to 0": Establish your reference point wherever the job requires it. Eliminate Grade Calculations: Read elevation changes directly instead of constantly doing the math. Save Time and Avoid Rework: Simplify grade checks and reduce the chance of costly mistakes. Adjust to the Job: Extends up to 72" for patios, retaining walls, driveways, and more. Get More Out of Your Laser Rod Quick-E-Laser Rod Foot: Get a more consistent reference on uneven surfaces or align flush with fixed edges. Quick-E-Laser Rod Extension: Add 6' of reach for tall retaining walls, tiered landscapes, and larger elevation changes. Attachments sold separately. Laser and receiver not included. Watch the Quick-E-Laser Rod in Action Retaining Wall Tip