This part is used for Hapro Model: Topaz
And for Philips Models: HB555, HB556, HB557, HB558, HB566, HB567, HB568 en HB585
Measurements: 1808 x 638,5 x 2mm
Replacement gas spring for Alisun 1000H-GS Length excluding thread: 455mm H = 200mm TL = 520mm L = 455mm Strength: 775N Long ago also supplied as 740N or 790N (23-200-520-GG)