Medi-Dart Crossbow Needle Valve Assembly with Wingnut-Halfmoon Rod #5 Product Type_EID - Electronic Ear Tags Our biggest notcher features adjustable

Our biggest notcher features adjustable depth gauge and cuts a notch that's 13/16" at base

Position tagger on the front side of the ear and pull trigger to place tag into the animal’s ear

for faster growth and earlier weaning

The new style Medi-Dart Plastic Wing Nut (MDWN) replaces the old style Short/Small Nut (MDSN)

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Medi-Dart Crossbow Needle Valve Assembly with Wingnut-Halfmoon Rod #5 Product Type_EID - Electronic Ear Tags Our biggest notcher features adjustableMedi Dart #5 Needle Valve Assembly is a new assembly paired with the new half moon push rod and the new wingnut. This needle paired with the 1 2" wingnut (long wings) is better for cows bulls, paired with the 3 8" wingnut works well for younger cattle. Assembly includes a #5 needle, half moon push rod, and new wingnut. MDAKCBW. The #5 needle valve assembly is now paired with the new half moon push rod and the new wingnut. A new #5 needle is included