The first picture is a product picture, the other pictures are sample displays Adjustable Hand Grip Fitness Pinch Meter Portable Hand Expander Gripper Tool 100% brand and high quality Features: Single hand power grip Sturdy and robust design 10kg - 40kg adjustable range, You can adjust the strength tension from 10kg to 40kg by turning the red rotary knob. An excellent training tool that strengthens your hands, wrist and forearm. Small, exquisite, lightweight and portable, you can carry it with you to exercise anytime. Suitable for the elderly, the office crowd and sports enthusiasts. Specifications: Material: PP Size:15*10cm Color:Red, Blue, Black, Green, Orange Quantity: 1 pc   Note: 1.Transition: 1cm=10mm=0.39inch         2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.         3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!       Package includes( without retail package): 1pc * Adjustable Hand Grips 10-40Kg(other accessories demo in the picture is not included)