Bridgestone's "TOUR B X-BLADE (MB)" irons are authentic muscle-back irons. They are characterized by high operability and a good feel for holding the ball. They offer the excellent operability unique to muscle-back irons, making them suitable for golfers who want to actively control spin and adjust trajectory. Bridgestone X-BLEADE MB 5-P Grips: elite, with backline Shaft: DG200