1).hook block 2).API certificate 3).Model: 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 opening, mm(in)190(7 1/2)220(8 5/8)220(8 5/8)238(9 3/8)Diameter of major-hook, mm(in)160(6 1/4) ...