5 Springs 3-in-1 Multi-Functional Muscle/Chest Expander

3-in-1 Chest Expander 5 Springs Strength Training Chest Expander Multifunctional Muscle Pull Exerciser Training Device Pull Force Fitness Training for Muscles Arm Training.

3 in 1 Exerciser - Spring Chest Expander, Hand Grip Strengthener, Pedal Pull Rope Band - Fitness Equipment with 5 Metal Spring

Functions: ABS engineering plastic carbon spring steel wire tension is full and thick buckle. Specification: Material: ABS Engineering Plastic Carbon Spring Color: Black Red Product Dimensions: (Dual-purpose tensioner) 650*110*30mm/25.6*4.3*1.2in, (Triple-purpose tensioner) 680*340*30mm/26.8*13.4*1.2in Net weight: (Dual-purpose tensioner) 760g, (Triple-purpose tensioner) 1100g Gross weight: (Dual-purpose tensioner) 760g, (Three-purpose tensioner) 1100g Scope of application: Fitness Usage: Mainly train the muscles of the upper body and forechest. Main efficacy: Exercise arm strength/grip strength/waist strength.