ITTA 30kg / 66lb Solid Dual Spring Power Twister Bar, Arm And Chest Builder Strengthener (30)

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About ITTA 30kg / 66lb Solid Dual Spring Power Twister

material: carbon steel and ABS plastic. weight: 30kg(66lb): 1.2kg, Bar length: 57cm (22.44inch), Handle rope length: each bar : 15cm(5.9inch) All measurement is doing by hand, there may be some error from 1mm to 3mm. Let us do exercise every day to have perfect , healthy and amazing body! The is a portable exercise device that is great for home, office or travel use. Method of use： Two arms bending spring after the neck. Two arms forward and upward bending spring and then relax. Two arms to her chest bending spring and then straight slowly relax. Stand up two feet apart.your right elbow bent with his left hand bending spring and then left elbow bend with the right hand bending spring. Behind two arms to hold spring and then bending straight down gradually. The pursuit of quantity not weight. Matters needing attention: Before use please check whether the methods implement the connection parts is firm.no loose phenomenon. Please Make sure you have enough power to use the30KG or 40KG or 50KG or 60KG Level Before use, please carry arm device handle seat belt on your wrist. When using, should choose relatively spacious field exercise, lest hurt to sell. Operating at a constant speed when using, should do. Below are for reference only, how to choose according to individual constitution and decide, please 20kg(Lightweight),30kg(Strong),40kg(Professional),50kg(Trainer),60kg(Strongest)