Welcome to Defender Canada! 
Springfield Plug-In Round Base - 1300750-1
$64.84
Springfield Plug-In Round Base - 1300750-1 Item # 1379004
Description
Springfield Plug-In Round Base.
Features:
- Below the deck mount (requires a 3 3/4" hole in deck)
- 9" Diameter
- Satin Finish
- Use with any 2 3/8" Plug-In post (not included, sold separately)