BREAKTHROUGH YOUR PHYSICAL LIMITS As most athletes know,if you want to improve your overall fitness you MUST train your weakest link.But there is a difference between knowing this and DOING IT.If you are looking to take your power lifting or other feats of strength to the next level then this is how you succee YOU TRAIN YOUR GRIP.^<br> DURABLE - Made with top grade, durable aluminum knurled handles and high quality springs for a long-lasting exercise tool.^<br> Build stronger hands fast our grip handles were not built for dainty little hands. They were built to toughen you up and that is how finger exercises should be. Trust us, your hands will get used to it and, afterwards,you will be grateful for it.^<br> High quality steel, 300 lbs(black)Hand Gripper,Suitable for beginners or professionals.^<br> Made with top grade, durable aluminum handles and high quality springs for a long-lasting exercise tool you can rely on.Products from GuanGuan's store