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2-ounce bottle of temperature indicating liquid that verifies when both rail base and head have reached correct preheating temperature for proper thermite welding of the rail.
-Only have to apply liquid a single time before preheating begins
-Safer, allowing user to stay away from preheat area
-Excellent accuracy, within +/- 1%
Available in 450°F or 500°F indication
SKU: MAA24413, MAA24416