Multi-scenario Usage: 20 inch 80 lb struts are widely used on rv queen size bed cover, motorhome bay door storage compartment door, tonneau cover, boat engine hood cover, large outdoor cabinet storage box lid, etc | Interchange Number: attwood sl34-80-1, GSNI-5300-60, GSNI-2300-60, spd-gsni-2300-60, 8AU203468BB0267, LGP6-200-60, LGP8-200-60, 11329, 4450, 4B291749, 4B-291749, 4B-291749-W, 612605, 72628, 8195402, 87-60, C1608260, C16-08260, C1615111, C16-15111, CS2000-60-8, EAA-8700-60U, ML34-60, ML14-60, SL14-60-5, SL34-60-5, SL34-60-1, sx200p-60 | Direct Replacement: Extended length A (Center-to-Center): 19.7 inch, compressed length B (Center-to-Center): 11.8 inch; 80 Pounds per shock, 2 Shocks per Pair | Precise Manufacturing: The gas struts sturdy, well-constructed and perform well, offering a controlled, gradual lift rather than a sudden jolt; With a 80lb capacity per strut, they provide enough support for heavy-duty lids | Application Range: ARANA 20 inch spring will be suitable for heavy lids, with lid weight between 64-88 lbs, side length ≥ 32 inch, ensuring smooth lifting and secure hold; Note: do measure the lid weight or check the oem number to buy correct items | Easy to Install: Installation was straightforward, requiring minimal tools, replaced just by loosening the clip, pop the new one into place, and click it on | 18-Month Support: Every ARANA gas strut comes with 18 months replacement support, if any quality issues, buy wrong items or missing parts, please get in touch with ARANA team for in-time solution(No ball studs or mounting brackets included）