Harken® 448 Halyard Lead Block
SKU: 448100
Harken® 448 Halyard Lead Block
SKU: 448100
Price per Each
$ 34 95
$39.00
Available: 2
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$20 Off $250+
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Use Code: SEW4LESS
Ends 5/13/25, at 8 a.m. ET.
$20 Off $250+
$100 Off $1,000+
$360 Off $3,000
Use Code: SEW4LESS
Ends 5/13/25, at 8 a.m. ET.
Summary
Harken Halyard Lead Block is designed for all control applications on smaller boats where up to 3/8in (10 mm) line is used.
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Description
Harken® Halyard Lead Block is designed for all control applications on smaller boats where up to 3/8" (10mm) line is used. Compact and lightweight with a sheave diameter of 1-1/2" (38mm), these blocks have a fast trim and release under both high and low loads. This low-friction Halyard Lead Block leads control lines aft and is ideal for halyards, vangs, outhauls, cunninghams and more.
Features:
- Helps to Keep Sidedecks Clear
- UV-Stabilized Delrin© Free-Rolling Ball Bearings
- UV-Stabilized Delrin© Sheave
- Marine Grade 316 Stainless Steel Side Plates and Mounting Plate
- Compact and Lightweight
- Fast Trim
Item Specs:
- Number of Sheaves: 1
- Weight: 2.1 ounces (60g)
- Maximum Line Diameter: 3/8" (10mm)
- Maximum Working Load: 300 lbs. (136kg)
- Breaking Strength: 600 lbs. (272kg)
Specifications
Specifications
Brand | Harken |
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Dimensions

Dimensions
Side | |
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A. | 0.375” |
B. | 2.105” |
C. | 1.500” |
D. | 0.201” |
Side | |
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A. | 1.441” |