Allen Dinghy Accessories — Sheave Boxes High Tension
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Twist open the stainless steel cheeks on these sheave boxes to allow clean access to the inside of the mast as well as easy fitting when changing halyards etc.
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Part |
Description |
Sheave Width mm |
Sheave Dia mm |
Slot Size mm |
Weight gm |
Hole Centres mm |
Hole Size mm |
Photo |
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AL-4409 |
Plain bearing alloy sheave |
12 |
38 |
77 x 19 |
98 |
90 |
6 |
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AL-4708 |
Ball bearing stainless steel sheave |
8 |
25 |
37 x 12 |
43 |
- |
4 |
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AL-4808 |
Plain bearing stainless steel sheave |
8 |
38 |
57 x 12 |
114 |
- |
5 |
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