The COR (coefficient of restitution) rating also has to be under .830.
The maximum driver club head size which players are allowed to use in tournaments is determined by the USGA.
Drivers not allowed by the USGA can have a size up to 750cc, or more.
Larger driver head sizes seem to give players a little more distance and also seem to be more forgiving.
Originally driver heads were made out of wood.
In 1979 TaylorMade introduced the first steelhead driver into the market.
Titanium driver heads have been around since the early 1990s.
What change is Augusta National making to hole 13 in 2022?
Who has won the most British Open Tournaments?
Who designed Pebble Beach Golf Links?
What is Pat Monahan’s golf handicap?
Who holds the record for hitting a golf ball into the back of a speeding convertible?
What is the best and number one ranked golf course in the world?
Name the 5 players to have won all four majors; the Career Grand Slam?
What is the most expensive ancient golf club ever sold at auction?