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Harken Blocks

478 results
CategorySailboat Hardware, Parts & Accessories
CategorySailboat Blocks & Hardware
BrandHarken
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Wire Rope Compatible
SHEAVE ONLY FOR 16MM AIR BLOCK

Harken

16 mm Self-Contained Sheave

SKU: 65915 | Item ID: HAR 415

$12.95

In Stock
TRIPLE MICRO BLOCK

Harken

22 mm Triple Micro Block

SKU: 07565 | Item ID: HAR 228

$51.95

In Stock
TRIPLE MICRO BLOCK W/BECKET

Harken

22 mm Triple Micro Block - Becket

SKU: 07566 | Item ID: HAR 229

$52.95

In Stock
MICRO TRAVELER BLOCK

Harken

22 mm Traveler Micro Block

SKU: 07569 | Item ID: HAR 232

$31.95

In Stock
UPRIGHT WIRE BULLET BLOCK

Harken

29 mm Wire Upright Lead Bullet Block

SKU: 07448 | Item ID: HAR 108

$35.95

In Stock
DOUBLE UPRIGHT BIG BULLET

Harken

38 mm Double Upright Lead Big Bullet Block

SKU: 07560 | Item ID: HAR 223

$86.95

In Stock
44MM HALYARD BLOCK

Harken

44 mm Mastbase Block

SKU: 80933 | Item ID: HAR 1986

$86.95

In Stock
DOUBLE 16MM AIR BLOCK W/BECKET

Harken

16 mm Classic Double Block - Becket

SKU: 56511 | Item ID: HAR 407

$38.95

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
TRIPLE 16MM AIR BLOCK

Harken

16 mm Classic Triple Block

SKU: 56512 | Item ID: HAR 408

$49.95

In Stock
TRIPLE 16MM AIR BLOCK W/BECKET

Harken

16 mm Classic Triple Block - Becket

SKU: 56513 | Item ID: HAR 409

$52.95

In Stock
Image coming soon

Harken

18 mm Fly Soft Attach Block, Narrow

SKU: 443869 | Item ID: HAR 2161

$24.95

In Stock
16MM ANTI-CAPSIZE BLOCK

Harken

16 mm Classic Block - Eyestrap

SKU: 129674 | Item ID: HAR 442

$25.95

In Stock
Image coming soon

Harken

57mm Power3 Soft-Attach Ratchamatic Block

SKU: 441622 | Item ID: HAR 2160

$85.95

In Stock
UPRIGHT MICRO BLOCK

Harken

22 mm Upright Micro Block

SKU: 07577 | Item ID: HAR 243

$19.95

In Stock
BIG BULLET SINGLE BLOCK

Harken

38 mm Big Bullet Block

SKU: 07461 | Item ID: HAR 125

$34.95

In Stock
BIG BULLET SINGLE SWIVEL BLOCK

Harken

38 mm Big Bullet Block - Swivel

SKU: 07512 | Item ID: HAR 168

$46.95

In Stock
16 mm Classic Single Block

Harken

16 mm Classic Single Block

Available in 2 options

$16.95 - $43.95

In Stock
SINGLE CHEEK 16MM AIR BLOCK

Harken

16 mm Classic Cheek Block

SKU: 64075 | Item ID: HAR 416

$19.95

In Stock
40MM ESP SHEAVE

Harken

40 mm Self-Contained Sheave

SKU: 211937 | Item ID: HAR 6062

$20.95

In Stock
BIG BULLET CHEEK BLOCK

Harken

38 mm Cheek Big Bullet Block

SKU: 07468 | Item ID: HAR 132

$35.86

In Stock
SHEAVE FOR BIG BULLET BLOCK

Harken

38 mm Self-Contained Sheave

SKU: 44019 | Item ID: HAR 265

$14.95

In Stock
16MM NARROW BLOCK

Harken

16 mm Classic Block - Narrow Ferrule Head

SKU: 199309 | Item ID: HAR 467

$19.95

In Stock
UPRIGHT BULLET LEAD BLOCK

Harken

29 mm Upright Lead Bullet Block

SKU: 07437 | Item ID: HAR 096

$28.95

In Stock
DOUBLE 16MM AIR BLOCK

Harken

16 mm Classic Double Block

SKU: 56510 | Item ID: HAR 406

$35.95

In Stock
3IN X 3/4IN X 7/8IN RUNNER SHEAVE

Harken

76 mm High-Load Sheave

SKU: 79557 | Item ID: HAR 754

$187.95

In Stock
DUAL SHEAVE LEAD BLOCK

Harken

29 mm Dual Bullet Sheave

SKU: 07505 | Item ID: HAR 161

$34.95

In Stock
2IN MID RANGE DELRIN SHEAVE

Harken

51 mm Delrin Mid-Range Sheave

SKU: 44034 | Item ID: HAR 1533

$16.95

In Stock
57MM CARBO RATCHAMATIC CHEEK BLOCK

Harken

57 mm Cheek Carbo Ratchamatic Block

SKU: 143794 | Item ID: HAR 2633

$119.95

In Stock
M/R SINGLE RATCHET BLOCK STB.

Harken

76 mm Midrange Hexaratchet Block - Starboard

SKU: 44047 | Item ID: HAR 1549

$228.95

In Stock
57MM ESP NARROW MASTBASE BLOCK 8MM

Harken

57 mm Aluminum Narrow Mastcollar ESP Block - 8 mm Clevis

SKU: 164265 | Item ID: HAR 6097

$76.00

In Stock
IN LINE 16-MM AIR BLOCK

Harken

16 mm Classic In-Line Exit Block

SKU: 71525 | Item ID: HAR 368

$64.95

In Stock
57 mm Cruising ESP Sheave

Harken

57 mm Cruising ESP Sheave

SKU: 203964 | Item ID: HAR 6063

$24.95

In Stock
20 mm Harken Lead Ring

Harken

20 mm Lead Ring

SKU: 434066 | Item ID: HAR 3272

$26.95

In Stock
PIVOTING 16MM CHEEK BLOCK

Harken

16 mm Classic Pivot Cheek Block

SKU: 89415 | Item ID: HAR 432

$20.95

In Stock
SHEAVE FOR MICRO BLOCK

Harken

22 mm Micro Sheave

SKU: 44022 | Item ID: HAR 277

$5.95

In Stock
HAR 6056

Harken

75 mm Aluminum Mastcollar ESP Block

SKU: 194930 | Item ID: HAR 6056

$111.55

In Stock
29 mm Pivoting Lead Block w/Cam Cleat

Harken

29 mm Pivoting Lead Block w/Carbo-Cam Cleat

SKU: 434043 | Item ID: HAR 396

$69.95

In Stock
Springs

Harken

Springs

Available in 3 options

$0.99 - $2.99

In Stock
SINGLE MID-RANGE BLOCK

Harken

76 mm Midrange Block - Swivel

SKU: 44038 | Item ID: HAR 1540

$136.95

In Stock
28 mm of Harken Lead Ring

Harken

28 mm Lead Ring

SKU: 434067 | Item ID: HAR 3273

$38.95

In Stock
SINGLE SWIVEL 16MM AIR BLOCK

Harken

16 mm Classic Block - Swivel

SKU: 64074 | Item ID: HAR 417

$30.95

In Stock
THRU DECK 16MM AIR BLOCK

Harken

16 mm Classic Thru-Deck Block

SKU: 74531 | Item ID: HAR 421

$47.95

In Stock
16MM FORKHEAD BLOCK

Harken

16 mm Classic Block - Forkhead

SKU: 144320 | Item ID: HAR 376

$23.95

In Stock
SMALL STAND UP BOOT 2INX 1-9/16IN

Harken

Small Standup Base Boot

SKU: 136634 | Item ID: HAR 369

$13.95

In Stock
 181-225 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.