Diverse training options An adaptable arm exerciser that supports multiple movements to strengthen arms, chest, shoulders, back, and thighs, providing a holistic workout in one device. Flexible resistance A wrist strength trainer with adjustable levels from 30 kg to 40 kg, allowing you to scale resistance to your needs and train effectively across varying intensity requirements. material and design Constructed from steel with a stable dual spring design for smooth rebound and consistent posture during exercises, helping shape the muscle curve of the upper limb. Comfortable Uhandle Ergonomic Ushaped handle with soft bicolor foam delivers a secure, comfortable grip and reduces discomfort during use. Use scenarios Full upper body workout at home: combine movements to target arms, chest, shoulders, back, and thighs for a comprehensive regimen. Progressive strength building: begin with lower resistance and gradually increase toward 40 kg to build wrist and forearm strength over time. Quick, consistent routines: perform short sessions to maintain mobility and posture between longer workouts. Specifications and features at a glance Function: Arm exerciser with multiple movement options for upper body and lower limb engagement Resistance range: 30 kg to 40 kg Material: Steel with dual spring design for stable, smooth rebound Posture: Designed to maintain proper exercise form Handle: Ergonomic Uhandle with soft bicolor foam for comfort and grip security