(One-time purchase quantity＞1 40% off One-time purchase quantity＞2 50% off) 【360° MUSCLE ENGAGEMENT】This arm exercise equipment simultaneously activates chest, arms, shoulders, back and legs with unique U-shaped dynamic resistance - perfect for full-body workout routines. 【PRO-GRADE SPRING SYSTEM】High-tensile steel springs provide smooth 70-110lbs adjustable resistance (3 levels), making it ideal forearm trainer for both beginners and advanced athletes. 【ERGONOMIC SAFETY DESIGN】Upgraded anti-slip foam handles with leather-wrapped frame prevent hand fatigue and injuries during intense chest workout equipment sessions. 【PORTABLE FITNESS SOLUTION】Compact 25" design (3.6lbs) allows using this arm trainer strengthen chest anywhere - office workouts, travel exercise, or home gym sessions. 【MULTI-SCENARIO TRAINING】Effective as physical therapy equipment for wrist rehabilitation, strength builder for boxing/MMA training, or general fitness workout equipment. 【PREMIUM DURABILITY】Reinforced ABS base with chrome-plated spring mechanism ensures 10,000+ cycles of arm trainer workouts without performance degradation. 【PERFECT GIFT FOR FITNESS】Package includes training manual and carrying bag - the ultimate arm trainer for men seeking gym-quality results at home.