Notes: Length given is for graphite shafts. Subtract 0.75" for steel shafts. Standard shaft is the iRod Hybrid graphite shaft by UST, the CPR Hybrid graphite shaft by UST, and the CPR Hybrid steel shaft by True Temper. 18 degree model replaces 2 iron/5 wood. 21 degree model replaces 3 iron/7 wood. 24 degree model replaces 4 iron/9 wood.