Herm Sprenger Flexible Stirrup Irons 4 1/4, 4 1/2, 4 3/4" and 5" sizes in very good used condition. $115-$130 Rubber jointed flexible stirrup irons. 4-Way flex system. A superb iron designed to increase safety, while preventing wear and tear on the rider's lower legs. Four pivot points allow for greater movement in two directions at the same time, relieving tension in the rider's knees, ankles and calves. Shipping $6 We accept credit cards & Paypal. We have a comprehensive inventory of new & used English saddles. Fittings and accessories also available. Quality consignments welcomed.