China Deyuan Marine Fitting Co.,ltd are leading supplier of marine equipment. 1.Type:Roller Type 2.Material: Q235,ZG230-450 3.Suitable chain cable Dia.: from 17mm---132mm 4.Certificate:BV,LR,SGS 5.Paint: Grey Epoxy Primer, for the middle paint and surface according to your requirement. Dia.of chain (mm) Size(mm) Weight(KG) H L L1 12.5-14 112 176 102 8.6 16-17.5 138 214 130 18 19-20.5 154 234 146 26.7 22-24 176 254 168 39.4 26-28 198 286 192 58 30-32 226 320 214 85 34-36 248 350 240 113.5 38-40 274 388 266 157.6 42-44 296 424 294 204 46-48 324 454 316 257.7 50-52 346 480 338 310 54-56 372 514 362 393 58-60 392 542 378 547.9 62-64 422 574 402 572.6 66-68 444 604 424 663.7 &&&& 275N CE approval inflatable life jacket CO2 fire extinguishing system Marine horizontal/vertical oil fired boiler Marine air compressor marine centrifugal pump marine hydraulic steering gear Hydraulic capstan Tunnel thruster/bow thruster &&&&