---
product_id: 105019679
title: "HARKEN Black Magic Air Runners Blocks 75 MM Big Boat Block Sock"
brand: "harken"
price: "฿4832"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/105019679-harken-black-magic-air-runners-blocks-75-mm-big-boat
store_origin: TH
region: Thailand
---

# Foam padded protection Strong & lightweight Free-rolling sheaves HARKEN Black Magic Air Runners Blocks 75 MM Big Boat Block Sock

**Brand:** harken
**Price:** ฿4832
**Availability:** ✅ In Stock

## Summary

> ⚓ Elevate Your Sailing Game with HARKEN's Black Magic!

## Quick Answers

- **What is this?** HARKEN Black Magic Air Runners Blocks 75 MM Big Boat Block Sock by harken
- **How much does it cost?** ฿4832 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/105019679-harken-black-magic-air-runners-blocks-75-mm-big-boat)

## Best For

- harken enthusiasts

## Why This Product

- Trusted harken brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Fit:** Compatible with block models 1991, 1992, 3238, and 3239.
- • **Easy Installation:** Quickly install over Air Runner blocks for hassle-free use.
- • **Unmatched Strength:** Torlon roller bearings ensure durability and performance.
- • **Ultimate Protection:** Foam padded Block Socks safeguard your blocks, deck, and crew.
- • **Vibration Dampening:** Sideload bearing strips minimize rig vibration for smoother sailing.

## Overview

The HARKEN Black Magic Air Runners Blocks 75 MM Big Boat Block Sock offers superior protection and performance for your sailing needs. Designed with foam padding for easy installation, these lightweight blocks feature Torlon roller bearings and vibration dampening strips, ensuring a smooth and durable sailing experience.

## Description

Harken Black Magic Air Runners Blocks - 75 MM BIG BOAT BLOCK SOCK

## Features

- Foam padded Block Socks easily install over Air Runner blocks to protect your blocks, deck, and crew. Color styles may vary and may not be exactly as shown.
- Fits block(s)1991 / 1992 / 3238 / 3239
- Black Magic Air Runners are strong, lightweight blocks with extremely free-rolling sheaves
- Blocks feature Torlon roller bearings in a center cage for strength. Sideload bearing strips dampen rig vibration.
- Foam padded Block Socks easily install over Air Runners to protect your blocks, deck, and crew.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand Name | HARKEN |
| Manufacturer | Harken |
| Part Number | 3035 |

## Images

![HARKEN Black Magic Air Runners Blocks 75 MM Big Boat Block Sock - Image 1](https://m.media-amazon.com/images/I/61s4Ylrz7VL.jpg)
![HARKEN Black Magic Air Runners Blocks 75 MM Big Boat Block Sock - Image 2](https://m.media-amazon.com/images/I/61s4Ylrz7VL.jpg)

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**Shop now:** [https://www.desertcart.co.th/products/105019679-harken-black-magic-air-runners-blocks-75-mm-big-boat](https://www.desertcart.co.th/products/105019679-harken-black-magic-air-runners-blocks-75-mm-big-boat)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-27*