Upgrade the builders supplied control line blocks to 29 mm Harken blocks. The 29 mm Harken blocks can be bolted on the existing block plate and provide less friction for easier control.
Brands
Optiparts
| Weight | 0.00000000 kg |
|---|---|
| Dimensions | 0.00000000 × 0.00000000 × 0.00000000 cm |
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