The McHale CSG00004 is a genuine OEM compression spring designed for various McHale round balers and integrated baler-wrappers. This high-quality spring features a wire diameter of 5mm, an outside diameter of 37mm, and an overall length of 145mm, with 11 coils. It ensures reliable performance and proper tensioning in compatible McHale machinery, including models F5500, F5600, Fusion 3, Fusion 3 Plus, Fusion 4, Fusion 4 Plus, V660, V6600, V890, and V8900.