Description:Cat ball studs are for mounting gas spring cylinders to support and brace the weight of hinged assemblies when opened.Attributes:• Material: Steel• Thread Size: 1-1/2-12• Ball Diameter: 63.88 mm (2.514 in)Application:Cat ball studs are typically used on hood, cab, and door systems. Consult your owner's manual or contact your local Cat Dealer for more information.