Product description king f7 hybridthe f7 hybrid is our first hybrid with rails technology for ultimate forgiveness features adjustable lofts to optimize distance hybrid key featuresblack cg position with fixed weight a single fixed weight positioned low for a deep center of gravity results in a high towering ball flight for extreme distance and forgiveness baffler dual rail system progressive rail design provides shallower or steeper rails depending on club loft and angle of attack for impro