15mm 2.5″ mounting spud – male – with 1/4-20″ & 3/8-16″ threads

The Upgrade Innovations 15mm 2.5″ mounting spud with male 1/4-20″ & 3/8-16″ threads is used as part of the RudyArm Articulating Arm System.

The 15mm 2.5″ mounting spud comes with a set of o-rings that allow you to convert the spud to be captive on a 15mm Pivot Clamp or to act as a keeper when adjusting from 1/4-20″ to 3/8-16″ mode.