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Harken Midrange Classic Blocks

Harken
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Midrange Blocks (Imperial)
Code Part No. Description Sheave Dia.
(in)
Length
(in)
Weight
(oz)
Shackle pin Dia.
(in)
Max Line Dia.
(in)
Maximum Working Load
(lb)
Breaking Load
(lb)
Standard
HAR1540 1540 Single 3 6 1/8 13 5/16 9/16 1800 5000
HAR1541 1541 Single/becket 3 7 1/8 14 5/16 9/16 1800 5000
HAR1542 1542 Single/aluminum sheave 3 6 1/8 15 5/16 9/16 1800 5000
HAR1544 1544 Double upright** 3 7 1/2 25.5 5/16 9/16 2800 7000
HAR1545 1545 Double/becket 3 8 1/2 26.5 5/16 9/16 2800 7000
HAR1546 1546 Triple 3 7 3/4 36 5/16 9/16 3800 8500
HAR1548 1548 Cheek* 3 4 3/8 11 5/16 9/16 1500 4200
HAR1559 1559 Fiddle 3;2 8 1/2 17 5/16 9/16 1800 5000
HAR1560 1560 Fiddle/becket 3;2 9 1/2 18 5/16 9/16 1800 5000
HAR1564 1564 Fiddle/280 Cam - Matic/becket 3;2 9 1/2 24.5 5/16 9/16 1800 5000
HAR1586 1586 Single/high-load** 3 6 1/8 13 5/16 9/16 2300 5000
Hexaratchet
HAR1549 1549 Single/clockwise 3 6 1/8 14 5/16 9/16 1800 5000
HAR1550 1550 Single/becket/clockwise 3 7 1/8 15 5/16 9/16 1800 5000
HAR1555 1555 Triple/280 CAM-Matic/clockwise 3 7 3/4 49 5/16 9/16 3800 8500
HAR1556 1556 Triple/280 CAM-Matic/becket/clockwise 3 8 3/4 51 5/16 9/16 3800 8500
HAR1571 1571 Single/counterclockwise 3 6 1/8 14 5/16 9/16 1800 5000
HAR1565 1565 Fiddle/280 Cam-Matic/clockwise 3;2 8 1/2 26.5 5/16 9/16 1800 5000
HAR1566 1566 Fiddle/280 Cam-Matic/becket/clockwise 3;2 9 1/2 27.5 5/16 9/16 1800 5000
*6 mm (1/4 in) RH fasteners. **High-load Midrange blocks use Torlon® ball bearings.

Midrange Blocks (Metric)
Code Part No. Description Sheave Dia.
(mm)
Length
(mm)
Weight
(g)
Shackle pin Dia.
(mm)
Max Line Dia.
(mm)
Maximum Working Load
(kg)
Breaking Load
(kg)
Standard
HAR1540 1540 Single 76 156 367 8 14 816 2268
HAR1541 1541 Single/becket 76 184 397 8 14 816 2268
HAR1542 1542 Single/aluminum sheave 76 156 425 8 14 816 2268
HAR1544 1544 Double upright** 76 191 723 8 14 1270 3175
HAR1545 1545 Double/becket 76 216 751 8 14 1270 3175
HAR1546 1546 Triple 76 197 1020 8 14 1724 3865
HAR1548 1548 Cheek* 76 111 312 8 14 680 1905
HAR1559 1559 Fiddle 76;51 216 482 8 14 816 2268
HAR1560 1560 Fiddle/becket 76;51 241 510 8 14 816 2268
HAR1564 1564 Fiddle/280 Cam - Matic/becket 76;51 241 695 8 14 816 2268
HAR1586 1586 Single/high-load** 76 156 367 8 14 1043 2268
Hexaratchet
HAR1549 1549 Single/clockwise 76 156 397 8 14 816 2268
HAR1550 1550 Single/becket/clockwise 76 184 425 8 14 816 2268
HAR1555 1555 Triple/280 CAM-Matic/clockwise 76 197 1389 8 14 1724 3856
HAR1556 1556 Triple/280 CAM-Matic/becket/clockwise 76 222 1446 8 14 1724 3856
HAR1571 1571 Single/counterclockwise 76 156 397 8 14 816 2268
HAR1565 1565 Fiddle/280 Cam-Matic/clockwise 76;51 216 751 8 14 816 2268
HAR1566 1566 Fiddle/280 Cam-Matic/becket/clockwise 76;51 241 780 8 14 816 2268
*6 mm (1/4 in) RH fasteners. **High-load Midrange blocks use Torlon® ball bearings.

Harken Midrange Classic Blocks

The timeless styling of our Classic block line enhances your boat's traditional look. Strong, dependable and exceptionally free-running, these compact blocks are the foundation of the Harken block line. We offer them in multiple configurations for dinghies, scows, beachcats, iceboats, and small offshore racers and cruisers.