The Cobra SS 427cc driveris designed around a simple principle: the larger the head size, the greater the sweet spot and C.O.R. value over the effective hitting area. Or what Cobra calls, "the suuhhweeet spot."

Thin Beta Titanium Insert: Cobra's Beta Titanium Insert is surrounded by an even thinner titanium ring, generating the maximum allowable energy transfer. The SS 427cc gives you the maximum C.O.R. over a larger hitting area.

Low and Back Heel Weight Pad:Located directly in line with the hosel axis to help correct slice and produce higher tragectory.