These heavyweight blocks are extremely powerful and must be handled with caution. They can pinch very hard if you get between two of them or one and a piece of metal. They are heavy, sturdy, and unbelievably strong.
Also available in this size: BY0X08DCS
(Grade N42, Nickel Plated, Double Countersunk), BY0X08TP-N52
(Grade N52, Nickel Plated), BY0X08
(Grade N42, Nickel Plated) and BY0X08DCSPC-BLK
(Grade N42, Black Plastic Coated, Double Countersunk).