Description: 【Ideal for Shoulder Rehabilitation and Mobility】: This kneading and pushing device disk is specifically designed for gentle, low impact exercise, making it ideal for physical recovery. Its continuous motion helps improve range of motion, increase flexibility, and strengthen shoulder joints 【Material】: Crafted from industrial grade PP material, this yellow knead-push tool disk is built to last. It is resistant to sun, rain, and temperature changes, ensuring reliable performance for outdoor fitness equipment in parks or backyards 【Universal Replacement Part】: With a standard diameter of 48cm (18.90inch), this massage kneading disk is replacement for worn out or broken discs on public fitness trail equipment, outdoor gym stations, and personal shoulder wheel exercisers 【Easy Use】: The surface and rotating mechanism are engineered for a fluid, consistent spin, allowing for safe and effective "Tai " design movements. The bright yellow color also enhances visibility for user safety 【Simple Installation】: You will receive 1 rotator disc, ready for a quick and easy swap. Simply mount it onto your existing shoulder wheel apparatus Size Chart: 48cm/18.90inch Package Includes: 1 Kneading and Pushing Device Disk Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.