Cup adapter with pin attachment

Cup adapter with pin attachment.

Diameter: 25mm.
Diameter inside the groove on the circumference: 21mm.
Height: 50mm (intended as the height of the entire object, not just the peg).

The bottom is internally threaded, with a 5/8" Female thread.
For example, you can screw this adapter onto a pole with a 5/8" Male connection, to install a prism with a peg connection.

Ships within 1 working week from receipt of order.