Due to different production batches, the color of the golden grip is sometimes darker than the color on the picture. The product functions are the same, please pay attention.dear friend,only two color ,please choose by the pictureFeatures:Increase your grip increase your liftsExcellent for building forearm strengthWorks great for increasing speed, strength and power in the wrist, hands, fingers and forearms.Excellent recovery & rehabilitation tool for arthritis, carpel tunnel, rheumatoid arthritis, tendinitis, post surgery, tennis elbow, wrist sprains and broken fingers or wrists.Ergonomic & ambidextrous design makes it suitable for men women, seniors, teens and pre-teens, and children, depending on age.Description:Fit for building wrist,forearm strengthFit for climbers, martial artists, athletes and anyone who wants to improve their hand strengthBy increasing the resistance,it will eventually allow you to build hand strengthSpecification:Material: Aluminum & ironColor: silvery, goldSize: 12.5cm10cm1.8cmType 100lbs150lbs 200lbs250lbs300lbs350lbsStrength 45kg5 67kg5 90kg5 112kg5 135kg5 157kg5Package included:1 x Fitness Heavy GripsNote:Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.Please allow slight deviation due to manual measurement. Thank you