Olive shaped spring grip
Number of boxes: 110; Box regulations:32*28* 25CM; weight: About 19.1kg
Material: Chrome plated carbon steel spring
use: Finger strength and grip strength exercises
weight: About 168g
length: Length is about 10CM, waist diameter is about 5CM
suitable: Grip strength improvement for white-collar workers, leisure play for the elderly, grip strength training for middle school students before physical education exams, etc.
Features: Sturdy and durable, can withstand falls, not easy to break, steel spring, grip strength training
Patent type: Design patent
Patent No: ZL201830362226.5
