DG225,DG315,DG450,DG675 The hook & block are designed and manufactured in accordance with API spec ... 8C and other related technical standards.HookDG225DG315DG450DG675Max.hook load, kN2250315045006750Major-hook opening, mm(in)190(7 1/2)220(8 ... 5/8)238(9 3/8)Diameter of major-hook, mm(in)160(6 1/4)180(7)180(7)180(7 ... ×780×7502953×890×8302950×890×8803156×930×930Weight, kg2180341034963900 Hook block