• Center Polaris in your finder or use a compass to point mount North.
• Rotate setting circle to align zero with the pointer.
• Turn nylon bolt up to lock setting circle zero position.
• Ready to use. Rocker box turns, azimuth circle remains pointed North.
  

Everything is included in our assembly (top to bottom):

• Rocker box bottom board cut and drilled to fit mount front and side boards.
• Setting circle with pointer and lock.
• Select laminate ring riding on virgin Teflon pads.
• Azimuth bolt assembly.
• Ground board with feet.

Above assembly can replace GSO/Apertura lazy-Susan ground board.
Dramatically improves stop/start motion.

We will ask a few simple measurements to match your mount's front/side boards.

Top and bottom boards are 18mm birch plywood rough sanded (80 grit), available as kit. Sizes up to 23" O.D. Larger available, ask for quote.

No cost: Add an Altitude circle and pointer:

On our bearings, as an arc, or for GSO/Apertura.