Features: 1. Using it can prevent injuries before exercise and speed up recovery after exercise. You can relieve painful muscle knots and aches in your back, neck, shoulders and so on by simple movements. 2. The product is easy to use and it is suitable for all people who want to relieve sports pain. Whether you have pain in your feet, legs, arms, shoulders, neck or back, you can use this tool to relieve it. Physical therapists also often use it to treat patients. 3. Free-hand treatment will cause great damage to your wrist and thumb. This tool can not only prevent your thumb and wrist from injuries, but also improve the efficiency of the massage. 4. This trigger point relaxation tool has two main massage heads, and you can choose to use a large or small massage head depending on different situation. 5. This massage tool is very lightweight so that you can take it anywhere. Specification: 100% brand new quality Item Name:Acupuncture Pen Material:Stainless Steel Color:As the picture show Size:S,M,L Package includes: 1/3Pcs Acupuncture Pen Note: 1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. 2.Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.