Quick Summary
The HARKEN 22mm Single Micro Block with Shackle, Part 234 is a low-friction block for sailing applications. It is described as a compact, free-running block and is intended for use inside masts, booms, lead car returns, and tackle.
The design includes Derlin ball bearings, stainless steel sideplates, and a shackle. Buyers comparing this part should focus on the 22 mm size, the single-block layout, and whether the intended installation point matches the setup on the boat.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | HARKEN, used here as the identifying brand name. |
| Product type | 22mm single micro block with shackle for sailing applications. |
| Part number | Part 234, useful for matching the exact item. |
| Use | Intended for use inside masts, booms, lead car returns, and tackle. |
| Bearing type | Derlin ball bearings, a key detail for shoppers comparing construction. |
| Sideplates | Stainless steel sideplates are listed as part of the design. |
What to Compare Before Buying
- Size: This block is identified as 22 mm. Compare that size with the space and line arrangement you plan to use.
- Mounting style: The shackle is part of the configuration, so check that this is the attachment style you need.
- Application: It is intended for masts, booms, lead car returns, tackle, and lightly loaded control lines. Make sure your planned use matches that kind of setup.
- Component match: Part 234 is the key identifier for matching the exact item before purchase.
Before You Decide
Confirm the 22 mm size, the shackle configuration, and Part 234 before choosing an offer. If your setup calls for a different attachment style or a larger block, compare those details first.





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