【EXCLUSIVE DESIGN】 – Differing from traditional hand gripper, SYNTECSO wrist strengthening with a ball gripper will focus exercise more on finger grips emphasizing a full hand coordination including thumb and training your forearms and grip strength
【ANTISLIP & HEAVEY DUTY】 –Made of anti-slip elastic PU and featuring bump surface, the solid ball with diameter 7.2cm (2.8”) for wrist strengthening is very comfortable and safe for wrist, hand and finger strength training
【ADJUSTABLE WEIGHT】 – It’s your choice to add different weight plates (2.5lb to 200lb) on the weight rack (diameter: 2.95”/ 7.5cm) to start hand grip exercise, improve strength, power and grip strength. you can take it slow with a lighter weight at start