iso 13733 fairleads with upper roller

{"cid":"91200016","title":"ISO 13733 Type 4R 4 Rollers Universal Fairleads With Upper Roller Ship Towing Equipment","imgUrl":"https:\/\/img.chinax.com\/nimg\/59\/53\/f75ea5d1609ed578b8bc92718d0e-200x200-1.jpg","attrs":{"Price":"As per quotation","Brand Name":"Zhongyuan","Model Number":"Standard and Customized","Minimum Order Quantity":"1","Delivery Time":"As per offer","Place of Origin":"China","Certification":"CCS, NK, BV, ABS, DNV-GL, LR, KR, IRS, RS, RINA, Makers Test Certificate, Etc.","Packaging Details":"Pallet or Customized","Payment Terms":"TT, L\/C, Etc.","Supply Ability":"Satisfy clients needs","Model Type":"4R, 4 rollers","Function":"Mooring and towing","Nominal Size":"140, 160, 180, 200, 250, 300A, 300B, 400A, 400B and 400C","Safe Working Load (SWL)":"14~140MT","Load Direction":"Horizontal Load and Vertical Load","Materials":"C-Mn Steel, Mild Steel, Stainless Steel","Surface treatment":"sandblasting to S2.5 + one layer of epoxy shop primer, Polished, Galvanized, customized surface treatment available","Classification Certificates":"CCS, NK, BV, ABS, DNV-GL, LR, KR, IRS, RS, RINA"}}