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Latest Design, multi exerciser,it could be a chest, arm, shoulder and upper body machine;
Unlike other spring based exercisers, with this power twister you compress the spring instead of pulling it, protecting the spring from snapping;
It is safer to use because there is no danger of the spring breaking, becasue this arm exerciser has its patent with unique air pressure system principle.
To work out, close the handles to exert pressure on the compression springs.
You don't need to buy new ones when your strength level increases, to increase or decrease the resistance, simply turn the adjustment knob left or right.

Specifications:

Model: Power Twister with Adjustable Resistance Arm Machine
Size: 56cm *38cm

About Spring:
Material: Carbonized Steel
Diameter: 0.7cm
Length:13cm
Coils:10 coils

About Handle:
Material: High-strength Manganese Steel
Length: 43cm

Package Contents:

1 x Power Twister with adjustable resistance arm machine