Ironridge 70-0300-SGA Top Cap at 3 in.

IronRidge 3" Schedule 40 Top Cap
The heavy duty cast steel top caps secure quickly and easily to the schedule 40 pipe with 3 set screws. Available in 2 and 3 sizes, the top cap also supports the cross-rails on top with simple u-bolts. The top caps are manufactured using cast steel ASTM A216. Schedule 40 pipe not included.