This hobby horse extension spring is constructed of spring steel and comes in a nickel plated finish. It is designed to replace broken or missing springs on children’s hobby horse toys, but it is also used for many other household applications. This spring features single looped, open ends (as opposed to single & double looped closed ends) and it has a 48.2 lb. maximum load capacity. The dimensions of this spring are as follows; .125 diameter wire gauge x 1-1/16 in. x 5-3/4 in.