China ZHC Series Double Sheave Wire Rope Block for Ship-twin Hook: ZHC Series Double Sheave Wire Rope Block for Ship-twin HookSWL: 20-40TonFor Wire Rope: 26-30mmShipping & Packing1.Shipping by sea or air, or as your request. 2.Standard Export Packing.The ລາຍລະອຽດ / ຂະຫນາດອາດຈະແຕກຕ່າງກັນກັບສິນຄ້າ, ກະລຸນາກວດສອບກັບພວກເຮົາໃນເວລາທີ່ຄໍາສັ່ງ.