Iron, Stainless Steel, Carbon Fiber, And Titanium Are All Used. The Most Popular Club Material Should Be Titanium. In Addition To Not Requiring Time-consuming Maintenance, Titanium Metal Has A Strong Rebound Effect And Can Be Played Farther. Nowadays, Many Golf Courses Cannot Increase The Length And Distance. Therefore, There Are Certain Specifications For The Rebound Coefficient Of Wood Clubs Used By Professional Players. The Usga Stipulates That The Rebound Coefficient Should Not Exceed 0.83. In Addition To The No. 1 Wood For Driving, There Are 3, 4, 5, 7, And 9 Fairway Woods. For Girls, 3 And 4 Woods Are More Difficult To Hit, So The 7 Or 9 Wood With A Higher Elevation Angle Will Appear.