Packaging Includes: Included in this set are 4 top-quality metal shaft extenders, each finished with an electroplating treatment to resist both corrosion and abrasion effectively. These extenders are 30.8cm long with a central diameter of 1.5cm and taper to an end diameter of 1.41cm, ensur Applicable Size: Specifically designed to accommodate steel golf shafts featuring a 0.600" outside butt diameter Premium Quality Steel: Constructed from high-grade steel, these shaft extensions ensure durability and a perfect balance that won't compromise the original feel of your clubs. Easy Installation: Quick and straightforward to attach, these extensions allow you to adjust your club's length in minutes, providing a cost-effective alternative to buying new clubs. Improved Swing Dynamics: By extending the length of your club, you can enhance leverage and achieve greater swing accuracy and power. Constructed from high-grade steel, these shaft extensions ensure durability and a perfect balance that won't compromise the original feel of your clubs.