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)

Driver Ferrule - 12.6mm OD (fits titanium drivers)

Fairway Wood Ferrule - 12.2mm OD (fits stainless fairway woods)