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20lb, 25lb, and 30lb block weights.
Large metal block (typically the head off of a dumbell), used to work the hand in the open position. Blocks range in weight from 20 to 50lbs. They can be deadlifted, carried, or even tossed from hand to hand. These are one of the cheapest and most effective grip tools. Used dumbells can be purchased for around 30 cents a lb. A hacksaw with 18 teeth per inch and some 3 in 1 oil can get the heads off a dumbell in about 30 minutes. Power tools make the job a lot easier.
Block Weight
