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Stainless steel ball bearing spinnaker halyard and topping lift sheave box. It features a stainless steel ball bearing sheave, which ensures smooth and efficient operation.
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| MLMR / Earlier Seldén Part Number | 505-079-01 |
|---|---|
| Current Seldén SKU | 505-079 |
| Sheave Diameter | 35 mm |
| Sheave Bore | 4 mm |
| Sheave Material | Stainless steel |
| Bearing Type | Ball bearing |
| Overall Height | 57 mm |
| D1 | 25 mm |
| D2 | 28.5 mm |
| Width | 9 mm |
| Typical Applications | Spinnaker halyards and pole lifts |
This is a replacement or service component for compatible dinghy spar installations rather than a universal fitting. When replacing an existing sheave box, compare the mast cut-out, fixing arrangement and dimensions with the original component.
On older Seldén and Proctor spars, check the dimensions carefully because visually similar fittings can vary between spar generations and class-specific rigs.
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