General description The Fitness Rings Training Ring is a robust and ergonomic piece of equipment designed for effective training and daily exercise. It is ideal for muscle exercises, stretching, relieving fatigue, and relaxing shoulders. Technical specifications Material: Wood Inner diameter: 16.8 cm Outer diameter: 23.5 cm Measurement error: +/- 1-3 cm Usage Can be used with lifting rope Allows for bending or adjusting standing posture during use Other information Package Contents: 1 x ring Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product.