Axia Alloys Double Heavy Duty Universal Cage Mount This dual universal heavy duty mount features 2 female 6mm threads on the face (1.0 spread from center to center). It comes with an 8mm nylock nut in the pocket on the backside or an 8mm x 25mm bolt for versatile mounting options. The design of this universal mounting bracket allows for the secure placement of heavy items with its double clamp setup. Features: Heavy duty double clamp Can be used multiple ways Double clamp design 2 female 6mm threads on face (1.0 spread from center to center) Supplied 8mm nylock nut in the pocket on the backside Supplied 8mm x 25mm bolt from the pocket on the backside Sold each Roll bar mounting clamps not included (sold separately)