DUAL AIR & LIQUID SEALING: Engineered for tubeless tires handling both inflation (air) and liquid ballast (water/calcium chloride) with leak-proof brass core.
INDUSTRY-STANDARD 0.625" HOLE FIT: Precision-machined 5/8-inch (0.625") base diameter for seamless drop-in replacement on agricultural rims.
CORROSION-RESISTANT BRASS CONSTRUCTION: Solid brass body + nickel plating withstands fertilizer, mud, and road salt corrosion 3x longer than cheap rubber stems.
TRACTOR & GRADER COMPATIBILITY: Direct replacement for TR218A, TRCH3 cores and fits 0.625" valve holes on tractors, graders, scrapers.