1/2 in. Black Ferrule, fits standard parallel tipped shafts. Pre-sized outer diameter (OD) for a better fit. Sold 12 per package.
Iron Ferrule – 13.6mm OD (fits stainless irons and hybrids)
Oversized Iron Ferrule – 14.8mm OD (fits zinc irons and hybrids)
Iron 13.6 O.D., Oversize Iron 14.8 O.D.