crown block 1.Forged with high strength steel. 2.Conform to API 4F& API 8C mandates. Crown ... Model TC135TC225TC315TC450Max.hook loadKN(lbf)1,305(303,500)2,250(500,000)3,150(700,000)4,500( ... 35(1 3/8)38(1 1/2)Overall dimension(L*W*H) 2,500*2,050*1,920(98*80*76) ... 3,200*3,347*3,640(126*131*99)3,295*2,776*2 ... ,514(130*110*99)3,063*2,906*3,576(120*114* ...