[Key Specs] Extended length(hole to hole): 23.00 inch. Compression length(hole to hole): 13.55 inch. Force: 100 lb 445 N(fit for 80-110 pound). Removable steel integrated connector (8 mm thread diameter) [Powerful Performance] Once installed, experience effortless opening, rock-solid support, and slow, safe closing. Hands-free convenience — no more pinched fingers [Common Uses] RV under-bed storage upgrade, heavy-duty lid, basement trap door, hot tub cover, boat hatch cover, consumer bar window. — PLUS any DIY project with lids around 100 lbs, if it fits, it works [Upgraded Performance] Full carbon steel construction — even the ends. Plus thicker brackets. Built tough, no flex, no failure [Quite Operation] Dual oil seals ensure smooth, silent movement. Won't disturb family peace [3-Step Install] 1. Mark mounting points 2. Install brackets 3. Attach struts. Follow manual or online video [Complete Kit (Excl.Screws)]: 2 x 23in gas spring with integral connector, 4 x thickened mounting bracket, 4 x nuts, 1 x installation instruction. Note: Screws are not included [Customer First Principle]: 365+1 days Coverage. No more wasting time and money for maintenance 23 inch 100lbs/445N Gas Strut Spring Shocks Lift Support with L-Type Mounting Brackets for RV Bed storage Lid Floor Hatch Door Roof Top Door, Qty 2 By Dukuge