Here are steel clubs you can use to build grip strength, do shoulder work, and complete rehab exercises. Onnit Steel Clubs are made from a single machined piece of steel. They are rust and dent resistant. You can get these clubs from 5.0 to 45 pounds for golf, tennis, baseball, and basketball training.
Like what you see? You can get the 5 pound version for $19.95. The 45 lbs version is available for under $120.