Shaft: Black manganese phosphate on the shaft. Only high quality bars use black manganese phosphate. Manganese phosphate coatings are the hardest, while providing unbeatable corrosion and abrasion protection.
Shaft: Black manganese phosphate on the shaft. Only high quality bars use black manganese phosphate. Manganese phosphate coatings are the hardest, while providing unbeatable corrosion and abrasion protection.