Tone Muscles: Full resistance tool providing peak flexing for chest, shoulders, and arms Build & Strengthen: High strength material for a strong workout from 45 to 220LBS available (20KG/45LBS recommended for starters - not recommended for women) Workout anywhere: Approximately 2 feet long and weighs less than 7 pounds Instructions Included: Step by step workout guide Variable Exercises: Perform a variety of exercises (see 2nd image) to workout different muscle groups MOVEMINT FlexBar Chest Shoulder Arm Exerciser | Curl Spring Bar Power Twister - KQZFNXT2