Adding to the versatility of the popular Kupo 10” and 11” Rocks Arms are a series of interchangeable accessories. The Kupo 5/8in (16mm) Hex Stud Tip for Rocks Arm to Convi Clamp is an interchangeable stainless steel 5/8”(16mm) Hex stud that can be attached to a Super Convi Clamp to offer more mounting options.