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Invar Grade Rods

Invar Grade Rods

Invar grade rods are so perfect for accurate measurements for elevation leveling that they're also called elevation rods. Invar also means invariable, which pertains to the ability of the grade rods to sustain high temperature changes without expansion and contraction. Invar is made of nickel and iron alloy, which has one of the lowest coefficient of thermal expansion. This makes invar grade rods the best rod for measuring varying elevations of the ground. If you’re looking for high quality invar grade rods, we have them here for you!

Invar Grade Rods