●【Dual-Spring Basketball rim】Fits 5"x5" ,5"x4.5",5"x4",5"x3.5",5"x3",4"x3" hole pattern.Solid steel breakaway rim with spring-action flex mechanism. ●【Long Service Life】18" basketball rim replacement made of 5/8" solid steel with 1/2" steel braces,Classic orange powder-coated finish. ●【Positive lock breakaway mechanism】returns to the original position even after excessive load. ●【Fits most standard backboards】Solid steel breakaway rim with spring-action flex mechanism. ●【Package Content】1 x basketball rim with an 169g all-weather nylon net, 1 x set of hardware