Seachoice Rectangular Base Rail Fitting for 7/8″ OD Tubing

The Seachoice Rectangular Base Rail Fitting (50-37911) is a polished rail fitting made for securing 7/8″ OD tubing with a low-profile rectangular base and included set screws for a clean, professional handrail installation.

Key Features

• Polished finish
• Designed for 7/8″ OD tubing
• Includes 1/4″ – 28 cup-point set screws
• Pre-drilled for four #10 screws
• Rectangular base measures 3″ x 1-3/4″

Intended Use

• Marine handrails and deck rails (rail fittings/hardware)
• Cabin top, dash, side, or stern rail installations (with 7/8″ OD tubing)

Product Details

• Seachoice rectangular base rail fitting
• SKU/Part number: 50-37911
• Tube size: for 7/8″ OD tubing
• Finish: Polished
• Set screws: 1/4″ – 28 cup-point set screws included
• Mounting holes: pre-drilled for four #10 screws
• Base dimensions: 3″ x 1-3/4″

Parts Desk Insights

Best Use Case: Use this fitting when youre building or repairing a marine handrail system using 7/8″ OD tubing and need a rectangular base that can be fastened with #10 screws.

Common Issues: For the cleanest fit, verify the tubing OD and confirm your rail layout matches the fittings base footprint. During installation, double-check screw hole alignment (four #10 screws) and ensure the set screws seat properly for secure retention.

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