Gas Struts assist in safely opening and closing doors, hoods & windows on a wide variety of equipment. Gas Struts are also commonly referred to as Gas Shocks or Gas Springs and are available in a wide range of lengths, materials, and forces.Read more about Hy-Capacity’s Gas Struts in our blog!The HA252550 Rear Window Gas Strut, 12.5625" fits equipment brands such as: Case IH, New Holland