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24-26.12.2024 AND 1.01.2025, 6.01.2025 CHRISTMAS BREAK | SHIPMENTS WILL BE MADE THE NEXT BUSINESS DAY | MERRY CHRISTMAS
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Harken 29mm Double Block
Part No. 381
| Reviews | |
| Delivery time to | 30 days |
| Shipping price | 0 |
| The bar code | 097653134190 |
| EAN | 097653134190 |
Zamówienie telefoniczne: +48-517-260-626
Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming.
Sheave Ø (mm) 29 mm
Sheave Ø (in) 1 1/8 in
Maximum line Ø (mm) 8 mm
Maximum line Ø (in) 5/16 in
Maximum working load (kg) 299 kg
Maximum working load (lb) 660 lb
Safety Information
Safety Instructions for Sailing Blocks
1. Purpose of the Blocks
Sailing blocks are designed exclusively for use in water sports and are intended for guiding lines in rigging systems on floating vessels.
2. Usage Restrictions
• Prohibited Use: The block is not intended for human safety applications or for any use related to personal safety, such as climbing, rescue operations, or work at heights.
• The block may only be used under the conditions specified in the technical documentation.
3.Technical Specifications
Before using the block, read the product data sheet, which contains the following details:
• Maximum Working Load (SWL).
• Maximum rope diameter the block can work with.
• Materials from which the block is made.
Failure to adhere to the specifications in the product data sheet may result in damage to the block and dangerous situations.
4.Inspection and Maintenance
• Before each use, inspect the block, especially to ensure that:
o The sheaves rotate smoothly.
o There are no cracks, corrosion, or other damage.
o Any snap hooks, if present, are functioning correctly.
• Regularly clean the block of dirt, salt, and sand.
• Store the block in a dry and secure place, away from direct sunlight and chemicals.
5.Safe Usage
• Do not exceed the maximum working load (SWL).
• Use the block exclusively in sailing systems according to its intended purpose.
• Ensure that the rope used with the block is of the correct diameter and in good condition.
6.User Responsibility
The user is required to adhere to this instruction and the technical parameters provided in the product data sheet. The manufacturer is not liable for damages resulting from improper use of the block.
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If you have any doubts or need further information, please contact the manufacturer or distributor.
Manufacturer details
Harken, inc
N15W24983 Bluemound Rd.
WI 53072 Pewaukee
United States
+1 262 691 3320
debbie.aykroid@harken.com
Responsible person
Harken Polska Sp. z o. o
PGE Narodowy, ks. Józefa Poniatowskiego 1
03-901 Warszawa
Poland
669 005 600
polska@harken.pl
