Description: FUNCTION: Helps to promote blood circulation, speeding up the metabolism, improve immune system and relieve fatigue UNIQUE DESIGN:The head is divided into two sides, one side is round ball bead, the other side is a ball needle Good Elasticity Of Handle: easy to use and not easy to break, suitable for different body parts to use to achieve massage effect. Portable: Manual massage hammer, no need to charge Perfect for home, office and travel. Wood Handle Design: Labor saving to using and can be bent arbitrarily, long service life and having good and comfortable hand feelings. Specification: Item Type: Massage Hammer Material: ABS + Composite Wood Applicable People: Spinal discomfort, lumbar pain, back pain, shoulder discomfort, leg massage, and dreams Size Chart: 43x10cm/16.93x3.94inch 40x10cm/15.75x3.94inch Package Includes: 2 Piece Massage Hammer Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!