- Use with 2-3/8"OD round post to extend pole length
- High-tensile alloy, 6061-T6
- 3/16" aluminum wall thickness
- (4) 3/8" allen head set screws prevents coupler from rotating and secure pipe extension on a 2" ID standard schedule 40 pipe
- Fits over OD of pipe with no adhesive needed
- 4" long
- Set screws provide secure connection with a snag-free exterior