LI-NING Adjustable Hand Grip Strengthener Wrist Rehabilitation Ball for Men Children's Arm Training Fitness Equipment

Adjustable resistance from 5 to 60 KG, suitable for different users including students, adults, fitness enthusiasts, and rehabilitation patients

Mechanical counting function with upgraded 6.0 version for accurate, reliable, and repeatable exercise count

Comfortable ergonomic TPR handle designed to fit fingers naturally, anti-slip and easy to grip

Thickened 4mm high-carbon steel spring for durability, rust resistance, and long service life (up to 5 years)

High-carbon steel rivets ensure secure and stable assembly, preventing loosening or detachment

Quick reset button with press and rotate mechanism to clear counts easily

Silent design with multi-layer sound insulation for quiet exercise (approx. 12 dB noise level)

Compact and portable size (approx. 16 cm height, 12 cm width, 9 cm depth) for use anytime and anywhere

Suitable for all ages and professions to relieve hand fatigue, improve grip strength, and enhance hand and forearm muscle tone