Brand Name: VKTECH
Type: Swing Trainer
Model Number: P2
Derivative Series: other
Color: Red
Material: Metal & flexible glue
Inner diameter: approx. 3.2cm/1.3"
Outer diameter: approx. 6.3cm/2.5
Weight: : about 150g / 5.29oz
Type 1: golf training aid
Type 2: golf weight ring