- Callaway
The Big Bertha Diablo Hybrid incorporates the Dual Runner Sole, originally introduced in the FT Hybrids. This sole helps golfers make solid contact from a variety of turf conditions and lowers the leading edge to make the sweet spot more accessible.
lindausa0106 - 3/23/23 I bought the BIG BERTHA DIABLO 2 years ago and it is still in very good condition contexto, so I rate it as an extremely good quality device.