2 (Pc)Truck Camper Top Rear Window Lift Support Strut 40 lbs Replaces C16-21704 Direct Replacement for C16-21704 (Sub C16-21824) C16-21824, C16-06874 C16-09450 Extended Length : 17.10 Inches Rated : 40 lbs (each) Suspa, Leer, MaxFit, SnugTop, Astro, Century, ARE, Tonneau Covers