... : DG225,DG315,DG450,DG675 4).competive price hook block DG225,DG315,DG450,DG675The hook & block are designed and manufactured in accordance with API ... spec 8C and other related technical standards.HookDG225DG315DG450DG675Max.hook load, kN2250315045006750Major-hook ... 8 5/8)238(9 3/8)Diameter of major-hook, mm(in)160(6 1/4)180(7)180 ...