According to roller number, we divide fairlead to three rollers, four rollers, five rollers, six rollers, seven rollers, eight rollers, nine rollers, 10 rollers, 13 rollers, etc. According to different standards, we have DIN 81907, CB T436-2000, CB 3062-79, JIS F2026-80, JIS F2020-79, CB/T3139-2000, and so on. Within each standard, there are type A, B, C, D, E and type BB, BR, etc. Three rollers fairlead is used on bulwark mainly. Please refer to the photos or contact Ekaship for more details.