The Spring Chest Developer comes handy for exercising and bodybuilding. It is durable and lightweight. Great for chest pulls and lateral raises. Portable for training anywhere. The five long springs can be assembled and disassembled according to personal favour. Multi-function with different ways to exercise with. Multi-function handles also work as hand gripper.
Adjustable Design: 5 high-strength steel springs with adjustable design, full of elasticity.
Good Pressure resistant: Each spring is subjected to a pressure of approximately 147 N, and 5 strips totally 735 N.
Chest: Expand it in front of chest, strengthen your wrist power
Finger Training: Pull the handle, improve finger strength
High-Strength Stainless Carbon Steel Spring with adjustable Tension Size.
Material: ABS Plastic Carbon Spring Colour: Black Red Product Dimensions: (Dual-purpose tensioner) 650*110*30 mm/25.6*4.3*1.2in, (Triple-purpose tensioner) 680*340*30 mm/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.