D.I.L 3 in 1 Exerciser – Spring Chest Expander, Hand Grip Strengthener, Pedal Pull Rope Band – Home Fitness Equipment…

Material: Steel springs and hooks with strong plastic handles
ADJUSTABLE LOAD – All 5 springs are removable to adjust the resistance from 13 lbs to 66 lbs (6-30 kg). Recommend 3 to 5 springs be attached as your need.
Multifunction: perfect upper body trainer, train your arm, chest, shoulders, back and entire upper body, can also be used as a hand trainer,The Chest Expander has a spring Max strengthsof 30kg

[Safety micro-rebound]This Arm Exerciser Hydraulic Power Twister uses micro-rebound technology instead of violent rebound. It is safer to use and can avoid hurting yourself due to violent rebound during exercise.
[20-200kg adjustable strength training] Upper body strength training equipment that can adjust the resistance, the adjustment range is 20-200kg, which can meet your strength training needs at different stages. This is the biggest disadvantage of the old spring arm. You can focus on muscle training from start to finish. Whether you are a beginner or an advanced user, this is a muscle training arm that you can easily choose.
[Safety in use] There is a buckle at the bottom of the handle. When opening the package, please hold the handle with both hands and use your thumb to remove the buckle before use. After training, close the handle with both hands and fix the handle with a buckle, which is convenient for storage and saves space.the handles of this tool are made with PU soft rubber to guarantee a slip-resistant and comfortable grip