Features: Multifunctional fitness pump for comprehensive strength and endurances training, a great equipment for chest muscle development and fully body exercise. This fitness pump allows you to adjust resistance levels easily, providing a multifunctional training experience suitable for most fitness levels, from beginners to advanced athletes. Resistance machine foams handle are designed to provide a nonslip, comfortable hold, reducing hand fatigue. Thickened pull rope and solid metal rings buckles ensures long terms durability and strong resistance. Perfect for various exercises. This strength training equipment can used independently or in combination with other equipment, great for chest workouts, rowing exercises, and overall strength training. Specifications: Materials: ABS, TPE, Nylon Color: 01 Grey/Blue Grey Size: about 11x11cm/4.33x4.33inch Resistance: 2-20kg (adjustable) Package Includes: 1set Fitness Power Pump note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.