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Harken Blocks

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CategorySailboat Hardware, Parts & Accessories
CategorySailboat Blocks & Hardware
BrandHarken
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SHEAVE FOR BIG BULLET BLOCK

Harken

38 mm Self-Contained Sheave

SKU: 44019 | Item ID: HAR 265

$14.95

In Stock
57 mm Ratchamatic HTE Block - Swivel - 1.5 x Grip

Harken

57 mm Ratchamatic HTE Block - Swivel - 1.5 x Grip

SKU: 1011428 | Item ID: HAR 2165.HTE

$128.95

In Stock
57 mm Cruising ESP Sheave

Harken

57 mm Cruising ESP Sheave

SKU: 203964 | Item ID: HAR 6063

$24.95

In Stock
BASE, 3/8IN SWIVEL POST BLOCKS

Harken

Stand Up Base, Small

SKU: 07366 | Item ID: HAR 010

$54.95

In Stock
DUAL SHEAVE LEAD BLOCK

Harken

29 mm Dual Bullet Sheave

SKU: 07505 | Item ID: HAR 161

$34.95

In Stock
3/32IN WIRE SHEAVE 1IN DIA.

Harken

25 mm Self-Contained Sheave - Wire Rope

SKU: 07597 | Item ID: HAR 303

$29.95

In Stock
57MM ESP FOOT BLOCK

Harken

57 mm Aluminum ESP Footblock

SKU: 155058 | Item ID: HAR 6091

$115.53

In Stock
40MM/29MM CARBO TRAVELER BLOCK

Harken

40mm Carbo Traveler Block

SKU: 155581 | Item ID: HAR 2649

$47.95

In Stock
BIG BULLET THRU-DECK BLOCK

Harken

38 mm Thru-Deck Big Bullet Block

SKU: 07467 | Item ID: HAR 131

$46.95

In Stock
29MM CARBO 90 DEG. FIXED HEAD BLOCK

Harken

29 mm Carbo 90° Block

SKU: 139684 | Item ID: HAR 352

$22.95

In Stock
THRU-DECK WIRE BULLET BLOCK

Harken

29 mm Wire Thru-Deck Bullet Block

SKU: 07447 | Item ID: HAR 106

$34.95

In Stock
75 mm Black Magic Airblocks

Harken

75 mm Aluminum Black Magic Block - Swivel, Becket

SKU: 395047 | Item ID: HAR 3232

$581.95

In Stock
2IN MID RANGE DELRIN SHEAVE

Harken

51 mm Delrin Mid-Range Sheave

SKU: 44034 | Item ID: HAR 1533

$16.95

In Stock
Image coming soon

Harken

40mm T2 Soft-Attach Ratchamatic Block

SKU: 443868 | Item ID: HAR 2159

$71.95

In Stock
SINGLE SWIVEL MICRO BLOCK

Harken

22 mm Micro Block - Swivel

SKU: 04025 | Item ID: HAR 292

$28.95

In Stock
60 mm Element Fiddle Block - 6264

Harken

60 mm Element Fiddle Block - Swivel, Becket, Cam

SKU: 1007813 | Item ID: HAR 6264

$126.10

In Stock
BIG BULLET SINGLE 2-WAY SHACKL

Harken

38 mm Big Bullet Block - Shackle

SKU: 07477 | Item ID: HAR 146

$40.95

In Stock
TRIPLE 16MM AIR BLOCK

Harken

16 mm Classic Triple Block

SKU: 56512 | Item ID: HAR 408

$49.95

In Stock
57MM ESP SWIVEL BLOCK

Harken

57 mm Aluminum ESP Block - Swivel

SKU: 144334 | Item ID: HAR 6059

$109.53

In Stock
18MM CARBO T18 BLOCK

Harken

18 mm Fly Soft-Attach Block

SKU: 386655 | Item ID: HAR 2698

$24.95

In Stock
75MM CARBO RATCHAMATIC BLOCK

Harken

75 mm Carbo Ratchamatic Block

SKU: 168593 | Item ID: HAR 2680

$162.95

In Stock
57MM CARBO TRIPLE SWIVEL AND CAM

Harken

57 mm Triple Carbo Block - Swivel, Cam Cleat

SKU: 128798 | Item ID: HAR 2617

$245.95

In Stock
29MM DOUBLE CARBO SWIVEL BLOCK /BKT

Harken

29 mm Carbo Double Block - Swivel, Becket

SKU: 127852 | Item ID: HAR 343

$55.95

In Stock
75mm Carbo Fiddle w/Becket

Harken

75 mm Carbo Fiddle Block - Swivel, Becket

SKU: 373638 | Item ID: HAR 2691

$123.95

In Stock
40 mm Zircon Block

Harken

40 mm Zircon Double Block

SKU: 1037349 | Item ID: HAR 2192

$85.95

In Stock
45 mm Aluminum Black Magic Double Block - Swivel

Harken

45 mm Aluminum Black Magic Double Block - Swivel

SKU: 1039148 | Item ID: HAR 3393

$381.95

In Stock
45 mm Aluminum Black Magic Double Block - Swivel, Becket

Harken

45 mm Aluminum Black Magic Double Block - Swivel, Becket

SKU: 1039149 | Item ID: HAR 3394

$434.95

In Stock
BIG BULLET SINGLE BLOCK

Harken

38 mm Big Bullet Block

SKU: 07461 | Item ID: HAR 125

$34.95

In Stock
SINGLE BLOCK 3/16IN WIRE 2IN

Harken

51 mm Wire High Strength Block

SKU: 07602 | Item ID: HAR 308

$109.95

In Stock
Aluminum Loop Block - Wide

Harken

57 mm Aluminum Loop Block - Wide Sheave

SKU: 1031827 | Item ID: HAR 3387

$339.95

In Stock
TRIPLE MICRO BLOCK W/CAM

Harken

22 mm Triple Micro Block - Cam Cleat

SKU: 07567 | Item ID: HAR 230

$112.95

In Stock
57mm Carbo Fiddle Ratchet

Harken

57 mm Fiddle Ratchet Block - Swivel

SKU: 373641 | Item ID: HAR 2673

$103.95

In Stock
100 mm Black Magic Airblocks

Harken

100 mm Aluminum Black Magic Block - Swivel

SKU: 395061 | Item ID: HAR 3246

$722.95

In Stock
Image coming soon

Harken

18 mm Fly Soft Attach Block, Narrow

SKU: 443869 | Item ID: HAR 2161

$24.95

In Stock
SINGLE CHEEK 16MM AIR BLOCK

Harken

16 mm Classic Cheek Block

SKU: 64075 | Item ID: HAR 416

$19.95

In Stock
45 mm Element Foodblock 6237

Harken

45 mm Element Footblock

SKU: 1007803 | Item ID: HAR 6237

$60.15

In Stock
SINGLE MID-RANGE BLOCK

Harken

76 mm Midrange Block - Swivel

SKU: 44038 | Item ID: HAR 1540

$136.95

In Stock
57MM CARBO CHEEK BLOCK

Harken

57 mm Carbo Cheek Block

SKU: 91704 | Item ID: HAR 2606

$48.95

In Stock
3MM X 150MM LOOP FOR T2 BLOCK

Harken

3 mm Loup Soft Attachment for T2 Block - 165 mm Length

SKU: 375919 | Item ID: HAR 2155

$15.95

In Stock
TRIPLE MICRO BLOCK

Harken

22 mm Triple Micro Block

SKU: 07565 | Item ID: HAR 228

$51.95

In Stock
SINGLE 57MM CARBO W/ SWIVEL AND CAM

Harken

57 mm Carbo Block - Swivel, Cam Cleat

SKU: 96984 | Item ID: HAR 2615

$151.95

In Stock
Harken 50 mm Protexit Exit Block - Single

Harken

50 mm Protexit Exit Block - Single

SKU: 1011284 | Item ID: HAR 1203

$136.95

In Stock
Twing Blocks

Harken

40mm Twing Block

SKU: 1042315 | Item ID: HAR 2699

$74.00

In Stock
57MM CARBO FIDDLE BLOCK W/ BECKET

Harken

57 mm Carbo Fiddle Block - Swivel, Becket

SKU: 127868 | Item ID: HAR 2622

$70.95

In Stock
DOUBLE MICRO BLOCK

Harken

22 mm Double Micro Block

SKU: 07563 | Item ID: HAR 226

$35.95

In Stock
 136-180 results of 478
If you are looking for the best blocks for your sailing needs, you should check out the Harken blocks at Fisheries Supply. Harken blocks are designed to offer quality and performance for any trimming task, from dinghy to offshore racing. You can choose from different sizes and configurations, such as ratchet blocks, snatch blocks, block and tackle systems, and the innovative Harken FlatWinder powered block that allows you to adjust the angle of the lead. Harken blocks are made of durable materials and feature a smooth and efficient bearing system that reduces friction and increases power. Whether you need a Harken ratchet block for your dinghy, a Harken snatch block for quick rigging changes, or a Harken block and tackle for precise control, you will find them all at Fisheries Supply. Our representatives are ready to help you select the right Harken blocks for your boat and sailing style. Browse all our Harken marine products.