When was the first metal driver used on the PGA tour?

What are the key features and benefits of the SLX rear derailleur for mountain bikes? Why do disc brakes have no stopping power? What do florence griffith liked to do before she race? Were did Valerie Adams first start shot put? How many points are scored in the US Open? What is the average running time from home to first base for 10 year old? Do's and dont's in playing badminton? What is the disadvantage of dowel pins? How do you clean the bolt? What are the features and benefits of the 105 Di2 upgrade kit? What are the key features and benefits of the Shimano gravel bike groupset? What are the safety features of a bicycle buggy for children? How can I clip into SPD pedals on a spin bike? Does a mongoose cause problems? Who has Responsibility for golf ball damage to property not on the course? What are some popular features to look for when purchasing a vintage tricycle for adults? Can a golf shaft flex be changed by lengthening the shaft? What are the benefits of using a tubeless valve stem on a mountain bike (MTB)? How can I effectively clean and sanitize my water bottle to ensure it is safe for reuse? What is an alley in tennis?