WHAT YOU NEED TO KNOW 12 ct ferrules iron shafts Available for iron shafts with OD 0.370"or 0.355" Available in lengths: 1", 3/4", 1/2", 1/4 (for 0.370" shaft OD) or 3/4" (for 0.355" shaft OD) OD for all ferrules is 0.540" Taper shaped, Non-Collared, or Collared Material: Plastic SPECIFICATIONS Fits Shaft OD Style/Color Available Lengths 0.370" Black Non-Collared 1", 3/4", 1/2", 1/4" 0.355" Black Non-Collared 3/4" 0.370" Collared 1/2", 3/4" 0.360" Collared 3/4" FULL DESCRIPTION These ferrules are designed for iron clubheads with flat-topped (non-radiused) hosels to provide taper and and enhanced appearance of the club.