Navtec Hydraulic Backstay adjuster rated for vessels 40-60' Used good condition Backstay adjuster. no leaks, holds pressure. Gauge has some. crazing on the glass piece. still readable and functional. see picture Rod polished and is in okay condition. Has marks on it from use but is function. see pictures. Body is in good condition minor marks here and there but overall excellent for age. Was removed from a Saber 48...5/8 pin.