5 spring rally men and women's strength training muscle chest with wooden handle home fitness equipment

About Product:Material: wood steel size: spring Middle not pulled elongation degrees 29CM, whole of total length 60CM weight: 1000 grams packaging: color box independent packaging features: this rear Delt/PEC fly can according to personal needs adjustment for 4 article, and 3 article spring, reduced and increases pull strength role: chest through hand pulled/wrist spread chest, training, reached enhanced chest, and back, and abdominal, and limbs each parts muscle, shaped bodybuilding shape of role, is the sports and martial arts skills of ideal auxiliary training apparatus.