Quick Summary
The Seachoice 42521 is a white, 3-strand twisted nylon dock line designed to absorb dynamic shock loads. It has a 10-inch eye splice and is listed as resistant to rot, abrasion, oil, and gasoline.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Construction | 3-strand twisted nylon dock line. |
| Size | 3/8 inch x 20 feet. Check that the length and diameter suit your docking setup. |
| Eye splice | 10 inches. Confirm the splice works with your intended attachment point. |
| Color | White. |
| Stated properties | Designed to absorb dynamic shock loads and resistant to rot, abrasion, oil, and gasoline. |
| Manufacturer part number | 50-42521. |
What to Compare Before Buying
Check the line’s rated capacity against your boat and docking conditions. Diameter alone does not establish a load limit. Also confirm that the 20-foot length and 10-inch eye splice suit the distance and attachment point in your setup.
The stated resistance properties describe the line, but they do not provide a specific service-life or load rating. Follow the applicable manufacturer guidance for selecting and using a dock line.
Before You Decide
Confirm the Seachoice part number, 3/8-inch diameter, 20-foot length, and eye-splice size. Check rated capacity for your intended docking conditions before relying on the line.





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