supply of (i)rear flange mounted (2) pisont seal kit (3) gland seal kit , (i)rear flange mounted heavy duty hydraulic cylinder model no.21mpa da 80/45x300/rfm/b c ,similar to parker series model 3.25ch2hlrs34mcx11.810 and as below technical specifications: type:d ouble acting,bore diameter: phi 80mm,rod diameter: phi45mm,stroke:300 +/- 2mm mounting: rear recta ngular flange mounted rod end threads:m33x2px50 mm long working pressure:140bar seal material:epr required make -fluid power/ parker /hofftech/raas/numatics/static hydraulic or equivalent. [ w arranty period: 12 months after the date of delivery ] ] , (2) piston seal kit suitable for hydraulic cylinder. [ warranty period: 12 months after the da te of delivery ] ] , (3) gland seal kit suitable for hydraulic cylinder. [ warranty period: 12 months after the da te of delivery ] ]