Binoculars (4J)
The binoculars comes with a mounting base, a bolt and a lag.
Binoculars (4J)
Attach the binoculars to the base using the bolt.
Telescope (4I)
The telescope comes with a mounting base, a bolt and a lag.
Binoculars (4J)
Use the lag to mount the binocular base to the 2x6 railing.