1/2 inch black Ferrule
1/2 in. Black Ferrule, fits standard parallell tipped shafts.Pre-sized outer diameter (OD) for a better fit. sold individually. Iron Ferrule - 13.6mm OD (fits stainless irons and hybrids) Oversized Iron Ferrule - 14.8mm OD (fits zinc irons and hybrids). Driver Ferrule - 12.6mm OD (fits titanium drivers). Fairway Wood Ferrule - 12.2mm OD (fits stainless fairway woods)