Versatile upper body trainer for a range of exercises This twister arm trainer targets arms, chest, shoulders, back and inner thighs, enabling a comprehensive upper body workout in a single device. It supports varied routines and can adapt to different training goals. Adjustable resistance for personalised progression Resistance is adjustable from 30 kg to 40 kg, allowing you to tailor the intensity to your fitness level. Easily switch between strengths to match your current capability and gradually increase difficulty as you improve. Durable construction with stable dual springs Made from quality steel, this chest exerciser features a stable dual spring design. The construction provides smooth rebound force, supports proper posture, and helps drive muscle development over time. Ergonomic Ushaped handle with comfortable grip The Ushaped handle fits naturally in your hand for a secure grip. It is wrapped in bicolour foam to deliver a soft, comfortable feel and reduce pressure during exercises, even with longer sessions. Key benefits at a glance Comprehensive upper body coverage: builds strength across arms, chest, shoulders, back and inner thighs. Progressive resistance: 3040 kg range to match your strength level and drive continued improvement. Durable, stable design: steel frame with dual springs for reliable performance and posture support. Comfortable operation: ergonomic Ushaped grip with cushioned foam minimizes hand fatigue. Use scenarios Home upper body workout: Perform a balanced routine focused on pushing and pulling movements to strengthen the upper body in a compact session. Warmup and mobility: Use light resistance to activate shoulder blades, chest, and back before heavier training. Core and posture improvement: Incorporate controlled twists and pulls to engage the upper body and support posture during daily activities. Product specifications and features Function: Versatile arm trainer designed to work arms, chest, shoulders, back and inner thighs with a focus on upper body development. Resistance range: 30 kg to 40 kg, adjustable to fit different fitness levels. Material: quality steel construction with a dual spring mechanism for durability and smooth rebound. Handle: Ergonomic Ushaped handle wrapped in bicolour foam for a secure, comfortable grip. Design benefits: Stable dual springs provide consistent resistance and help maintain proper posture throughout exercises.