Quick Summary
The Blue Shark-Sailboat Blocks Aluminum 28 mm Single Fixed 2100 is a single fixed block for small boats. The key stated details are the 28 mm sheave, aluminum alloy construction with fully hardcoat anodized finish, Delrin balls, and 316 stainless steel hardware.
For buyers comparing this type of marine block, the most important checks are sheave size, rope line size, weight, and the stated load ratings. This model lists a safe working load of 727 lb, a breaking load of 1650 lb, a maximum rope line of 8 mm, and a weight of 1 oz.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | Blue Shark-Sailboat Blocks, used in the product name. |
| Product type | Single fixed block for small boats. |
| Sheave size | 28 mm sheave, which is a key fit check for the line and application. |
| Construction | Aluminum alloy with fully hardcoat anodized finish. |
| Hardware | 316 stainless steel hardware. |
| Ball material | Delrin balls. |
| Safe working load | 727 lb, an important limit to compare against expected load. |
| Breaking load | 1650 lb, a separate rating buyers may want to note. |
| Maximum rope line | 8 mm maximum rope line size. |
| Weight | 1 oz, useful when weight matters on small-boats hardware. |
What to Compare Before Buying
- Sheave size: This block uses a 28 mm sheave. Compare that size with the line and hardware setup you plan to use.
- Rope line size: The stated maximum rope line is 8 mm. Make sure your rope matches that limit.
- Load ratings: The safe working load is 727 lb and the breaking load is 1650 lb. Confirm the intended application fits the stated limit.
- Weight: At 1 oz, this is a light block. Weight may matter when choosing small-boat deck hardware.
Before You Decide
Confirm the 28 mm sheave and 8 mm maximum rope line before choosing an offer. Also compare the 727 lb safe working load with the load you expect the block to carry. If the selected setup needs a different size or rating, choose a different block.
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