The KBS Tour 120 Stiff Flex Shaft #4 is a premium golf club component designed for iron shaft replacements. Made by KBS in the United States, this 40" shaft features a .355 taper tip diameter and a sturdy 120 gram weight, ideal for players seeking stability and control in their shots. With a stiff flex design and a .600 butt diameter, this shaft is a reliable choice for golfers looking to enhance their game with high-quality equipment.