True Temper Sports is preparing to invest about $10 million, its largest capital investment in the last five years, to expand manufacturing capacity of its worldwide operations.

Up to 40% of that investment will go to improve its factory in Amory, Miss., where it makes golf shafts, lacrosse sticks, batons and various parts for the automotive and medical industries. The plant currently can produce 100,000 golf shafts per day.