JPX 900 iron set, a set of 5 irons from 6-iron to P-iron. The shafts are MCI80, flex R. The specs, measured by an amateur, are as follows: 6-iron: 398g 7-iron: 406g 8-iron: 411g 9-iron: 419g P-iron: 427g The balance is D0 for all irons. There are some scratches as they are irons, but I think they are in generally good condition.