200 LB Hand gripper Heavy Grips Aluminum HAND GRIPPER. Super quality with machined aluminum and super grip at the handles. These sharp hand grippers are rated at 100, 150, 200, 250, 300 & 350 lbs at the spring Hand grippers are a must for strengthening your grip on all of your pulling movements. Deadlifts, rows, shrugs, pully work etc etc. These grippers are for your average lifter to your strongest lifter, 350 lb grippers are pretty tough. Add grippers to your lifting and you will pump out more reps as your hand and forearm strength will increase. Hand grippers are not to replace lifting straps totally, but to add to your grip regardless of if you use straps or not. Train like a pro and do it right. You can use these anywhere and anytime. (great when driving in traffic or watching TV).