EmpireAthletics Professional Königsfeder 20-60kg power spring bending spring bending dumbbell expander dumbbell

[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

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. Assemble extended handles and foot pedal to get a pedal pull rope exerciser.
SAFE & DURABLE – 5 thickened strong steel spring tubes ensure its lasting tension. The ergonomic rubber handle protects the hands and prevents the hands from slipping during chest movements.
MULTIFUNCTIONAL PULL ROPE – This exercise band can be used for crossfitter leadership pull-ups, muscle exercise, physical therapy, stretching exercises, strength training, etc. Suitable for men and women to exercise at home, office, school and gym.