Home
Harken Sailboat & Marine Hardware
Harken Blocks
Harken Carbo Blocks
Harken Block - Carbo 29mm Double - Linked by Clew (371)

Harken Block - Carbo 29mm Double - Linked by Clew (371)

Name: Harken Block - Carbo 29mm Double - Linked by Clew (371)
Brand: Harken
SKU: HAR371
Price: 36.95 USD
Availability: InStock

SKU: HAR371 | Manuf. Code: 371

~~List Price: $42.25 USD~~

$36.95 USD

Unit price /

Unavailable

You save 13% off List

Price Match Guarantee

Our Best Price Guarantee

We Price Match against authorized dealers only, based on the total order cost (product + shipping).
No auction sites
No unauthorized sellers
Item must be identical, new, and in stock

Found it cheaper? Chat with us to request a Price Match.

Qty

Questions? Chat with our Tech Team

Backed by MAURIPRO Support.

Simple 30-Day Returns.

Simple 30-Day Returns

We offer returns within 30 days of delivery for your peace of mind.

0â€“15 days: Free returns or exchanges
16â€“30 days: Returns accepted with a 20% restocking fee
Returns after 30 days are not accepted.
Request a Return Authorization (RA#) prior to shipping.
Return shipping is the customerâ€™s responsibility.

International Shipping — Duties & VAT Not Included

International Shipping — How It Works

Orders ship from our US warehouse worldwide. Prices shown are in USD and do not include import duties, VAT, GST, customs fees, or any taxes charged by your country on arrival.

These charges are set by your local customs authority and are the buyer's responsibility, payable to the carrier (DHL, FedEx, UPS, or your national postal service) at the time of delivery.

Rates vary by country and product category. For an estimate, check your country's customs authority website or contact us before ordering.

Questions? Chat with our Tech Team.

Harken Block - Carbo 29mm Double - Linked by Clew (371)

~~List Price: $42.25 USD~~

$36.95 USD

Unit price /

Unavailable

View details

DESCRIPTION

Low-friction Carbo Air blocks are lightweight, strong, reliablend affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.

Our Part # HAR371 | Mfr. Part # 371

FEATURES

Carbo 29mm double block.
Designed for clew-linked applications.
Lightweight and high-strength composite.
Low-friction ball bearings.
Ideal for sail control systems.

KNOWLEDGE BASE

Click here for the Owners Manual.

TECHNICAL INFORMATION

Description	Imperial	Metric
Sheave	1 1/8 in	29.0 mm
Length	4 7/8 in	124.0 mm
Weight	1.8 oz	51.0 g
Maximum Line	5/16 in	8.0 mm
Maximum working load	330.0 lb	150.0 kg
Breaking Load	1000.9 lb	454.0 kg

{"id":9845595799858,"title":"Harken Block - Carbo 29mm Double - Linked by Clew (371)","handle":"har371","description":"\u003cp\u003eLow-friction Carbo Air blocks are lightweight, strong, reliablend affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.\u003c\/p\u003e\u003cp\u003e Our Part # HAR371 | Mfr. Part # 371\u003c\/p\u003e","published_at":"2025-05-12T18:12:51-05:00","created_at":"2025-05-12T18:12:50-05:00","vendor":"Harken","type":"Block","tags":["UPO7A0SLV505"],"price":3695,"price_min":3695,"price_max":3695,"available":true,"price_varies":false,"compare_at_price":4225,"compare_at_price_min":4225,"compare_at_price_max":4225,"compare_at_price_varies":false,"variants":[{"id":50016310526258,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HAR371","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Harken Block - Carbo 29mm Double - Linked by Clew (371)","public_title":null,"options":["Default Title"],"price":3695,"weight":136,"compare_at_price":4225,"inventory_management":null,"barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/www.mauripro.com\/cdn\/shop\/files\/HAR371.jpg?v=1747147792"],"featured_image":"\/\/www.mauripro.com\/cdn\/shop\/files\/HAR371.jpg?v=1747147792","options":["Title"],"media":[{"alt":"Harken Block - Carbo 29mm Double - Linked by Clew","id":41470068850994,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/www.mauripro.com\/cdn\/shop\/files\/HAR371.jpg?v=1747147792"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/www.mauripro.com\/cdn\/shop\/files\/HAR371.jpg?v=1747147792","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eLow-friction Carbo Air blocks are lightweight, strong, reliablend affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.\u003c\/p\u003e\u003cp\u003e Our Part # HAR371 | Mfr. Part # 371\u003c\/p\u003e"}

{ "product_id": 9845595799858, "variant_id" : 50016310526258, "variant_available" : true, "inventory_quantity" : -1, "inventory_management" : "", "inventory_policy" : "continue", "image": "//www.mauripro.com/cdn/shop/files/HAR371.jpg?v=1747147792", "price": "3695", "title": "Default Title", "value": "Default Title" }

{ "product_id": "OTg0NTU5NTc5OTg1OA==", "variant_id" : "NTAwMTYzMTA1MjYyNTg=", "variant_available" : "dHJ1ZQ==", "inventory_quantity" : "LTE=", "inventory_management" :"", "inventory_policy" : "Y29udGludWU=", "image":"JTJGJTJGd3d3Lm1hdXJpcHJvLmNvbSUyRmNkbiUyRnNob3AlMkZmaWxlcyUyRkhBUjM3MS5qcGclM0Z2JTNEMTc0NzE0Nzc5Mg==", "price": "MzY5NQ==", "title": "RGVmYXVsdCtUaXRsZQ==", "value": "RGVmYXVsdCtUaXRsZQ==", "variant_options": {"Title": "RGVmYXVsdCtUaXRsZQ==" } }

Harken Block - Carbo 29mm Double - Linked by Clew (371)

Simple 30-Day Returns

International Shipping — How It Works

DESCRIPTION

FEATURES

KNOWLEDGE BASE

TECHNICAL INFORMATION

Your cart

GENERAL INFORMATION

RESOURCES

CORPORATE

Choose options