The Cobra BiO CELL Irons are Tungsten-fueled for distance and forgiveness.
BiO Cell and E9 Face Technology enables more discretionary weight movement that creates a low center of gravity (CG) and high moment of inertia (MOI), which provides more distance and extreme forgiveness.
- Head material: (4 thru 7-Irons) Hyper 17-4 SS with Tungsten weighting, (8-Iron thru PW, GW) 431 Stainless Steel with Tungsten weighting
- Shaft: True Temper Dynalite 85
- Grip: Lamkin R.E.L. 3Gen