Twister Arm Trainer, 9-Level Adjustable/Non-Adjustable (20-270/20-160Lbs),

9-Level Adjustable Resistance This arm trainer has 9 levels (20-270lbs): lbs) for women s arm circles, flabby arms tightening, warm-ups/beginners ideal for women. lbs) for tricep dips, shoulder shaping, intermediate training, suiting men s initial muscle building. lbs) for pros chest squeezes, bicep bulking. Adjustable with included wrench no extra tools, 3-5 mins to switch (manual-guided). Heavy-Duty Build:High-strength metal springs with full leather coating (prevents rust & pinches,test-proven to last 3x longer than plastic covers) ensure this arm trainer endures daily use. Thick non-slip foam grips stay comfortable even during 30-minute workouts, enhancing the arm trainer s usability. Safe for home use with kids no exposed springs to cause accidents. For All Users Level 9 (270lbs) suits men, enhancing chest/arm definition