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Harken 57 mm AirBlocks

Harken 57 mm Low-Load Block w/ Swivel Code: HAR1950 Price: $129.40	Harken 57mm Low Load Block Code: HAR3226 Price: $140.62	Harken 57 mm Low-Load Block w/ Swivel and Becket Code: HAR1951 Price: $162.90
Harken 57mm Low Load Block w/Becket Code: HAR3229 Price: $176.97	Harken 57 mm Double Low-Load Block Code: HAR1952 Price: $254.40	Harken 57mm Low Load Double Block Code: HAR3228 Price: $276.36
Harken 57 mm Triple Swivel Block Code: HAR1954 Price: $378.10	Harken 57mm Triple Block Code: HAR3219 Price: $410.74	Harken 57 mm High-Load Block w/ Swivel Code: HAR1958 Price: $146.10
Harken 57mm HL Block Code: HAR3215 Price: $158.75	Harken 57 mm High-Load Block w/ Swivel Becket Code: HAR1959 Price: $178.10	Harken 57mm HL Block w/Becket Code: HAR3216 Price: $193.47
Harken 57 mm High-Load Double Block w/ Swivel Code: HAR1960 Price: $289.90	Harken 57mm HL Double Block Code: HAR3217 Price: $315.00	Harken 57 mm High-Load Double Block w/ Swivel and Becket Code: HAR1961 Price: $307.70
Harken 57mm HL Double Block w/Becket Code: HAR3218 Price: $334.27	Harken 57 mm HL Stand-Up Block Code: HAR1965 Price: $250.30	Harken 57mm HL Standup Block Code: HAR3227 Price: $271.96
Harken 57 mm Single Loop Block Code: HAR3195 Price: $179.60	Harken 57mm Loop Block Code: HAR3214 Price: $195.14	Harken 57 mm German Admirals Mainsheet System Block Code: HARHC7798 Price: $416.00

The entire line of Harken 57 mm Black Magic Airblocks has been redesigned with a sleek new look. Their unique, performance-packaged engineering remains exactly the same.

Used on offshore boats, these strong, lightweight locks feature Torlon roller bearings for strength and reduced wear. Rollers are housed in a center cage and stay parallel for low-friction efficiency. Sculpted hardcoat-anodized aluminum sideplates protect sideload ball bearings. Dissimilar metals are isolated to minimize corrosion.

Low-load blocks use Torlon rollers and 316 stainless steel shackles. Standard blocks have 17-APH stainless headposts.

Like all Harken 57 mm Black Magic AirBlocks, the three-way head swivels/locks in front/side positions. Blocks are easily disassembled with a single hex wrench.

The 3214 soft-attachment Loop block has a removable dead-end post for attachment to a padeye. Lashings can also be used.

Use for:
Sheets
Halyards
Running backstays
Control lines

Harken 57 mm AirBlocks

We at Mauri Pro Sailing are fully committed to be your Harken 57 mm AirBlocks specialist not only providing the sailing community with a comprehensive and easy to use web site but with all the appropriate technical information that you might need to select your sailboat hardware and equipment. If you need any assistance selecting the appropriate Harken 57 mm AirBlocks please contact us. Our crew is ready to help!

Pictures and text courtesy of the manufacturer.

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