Description:The scale of the product surface is clear, which is convenient for you to adjust the golf club.It is characterized by small size and simple structure, which ensures easy installation and removal.It is made of high-quality aluminum alloy material, which is sturdy and durable.The length of the product is 9cm, the width is 6cm and the height is 2cm.It is compatible for Big Bertha 815.Item Name: Golf Adapter SleeveMaterial: Aluminum AlloyCaliber: A: 0.335, B: 0.350, C: 0.370 (Optional)Compatible Model: for Big Bertha 815Features: Replacement, Easy Installation, Long Service LifeSize Details: 9cm x 6cm x 2cm/3.54" x 2.36" x 0.79" (Approx.)Notes:Due to the light and screen setting differ.