This is a gripper clamp used for grip strength training. The product in the first image is a set of two. It supports up to 300lb. It's easier to remove and use than hose clamps. The weight is approximately 50g. In terms of COC grippers, it supports up to NO.3. Although it is new and unused, please forgive any scratches or minor imperfections. Please refrain from asking for a discount. ※The hand gripper in the second image is not included. Basically, items will be shipped on weekdays.