Build and test your pinch grip with maximum lifts and holds--try strolling with it!--and even lateral raises. The harder you squeeze, the stronger you get. An event favorite at grip compeitions, the IronMind Block current world records are*: Men: Harri Tolonen at 48.6 kg (107.14 lb.) on 10 September 2017 Women: Rebecca Roberts at 31.55 kg (69.4 lb.) on 13 May 2017 How do you compare? If you can do: 35 lb. - average 50 lb. - accomplished 70 lb. - world-class 6" x 3" x 6"; crinkle finish. This auction is for the BLOCK only. Loading pin and carabiner are NOT included