Harken 57mm Zircon Blocks
HAR-2195
The most efficient small boat blocks Harken has ever made
Low Friction
Ceramic ball bearings
Soft attach
700% stronger than stainless balls
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NEW - 57mm Zircon Blocks from Harken
The most efficient small boat blocks Harken has ever made with industrial ceramic ball bearings mounted inside caged races.
More than 700% stronger in compression than stainless balls.
Ceramic is much harder and smoother than steel or composite.
Sheave and side plates are strong and reliable fibre-reinforced composite construction.
Structural head for soft attachment
| Part No. | Block Type | Sheave Ø | Length | Weight | Optimal line Ø | Maximum Working Load | Breaking Load | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2195 | 57 mm Single | 2 1/4 in | 57mm | 3 1/8 in | 79mm | 1.58 oz | 44.8g | 8mm | 330 lb | 150kg | 990 lb | 450 kg |
| 2191 | 40 mm Single w/becket | 2 1/4 in | 57mm | 3 3/4 in | 95mm | 1.81 oz | 51.4g | 8mm | 3330 lb | 150kg | 990 lb | 450 kg |
| 2192 | 40 mm Double | 2 1/4 in | 57mm | 3 1/8 in | 79mm | 3.05 oz | 86.4g | 8mm | 660 lb | 300kg | 1980 lb | 900 kg |
| 2193 | 40 mm Double w/becket | 2 1/4 in | 57mm | 3 3/4 in | 95mm | 3.27 oz | 92.7g | 8mm | 660 lb | 300kg | 1980 lb | 900 kg |
- Block Size - 57 mm
