DESCRIPTION
DESCRIPTION
Low-profile mastbase halyard lead blocks are lightweight and can be grouped in a small area at the mastbase.
Our Part # HAR1986 | Mfr. Part # 1986
FEATURES
FEATURES
- Fixed mast base block with 44mm sheave.
- Efficiently guides lines from mast.
- Robust construction for durability.
- Secure attachment at mast base.
TECHNICAL INFORMATION
TECHNICAL INFORMATION
| Description | Imperial | Metric |
|---|---|---|
| Sheave | 1 3/4 in | 44.0 mm |
| Length | 2 7/8 in | 73.0 mm |
| Weight | 3.35 oz | 95.0 g |
| Maximum Line | 3/8 in | 10.0 mm |
| Fasteners | 1/4 RH in | 6 RH mm |
| Maximum working load | 750.0 lb | 340.0 kg |
| Breaking Load | 1500.0 lb | 680.0 kg |
KNOWLEDGE BASE
KNOWLEDGE BASE
Harken Mainsail Reefing & Lazy Jack Selection GuideThe Harken blocks most commonly used for a dual-line mainsail reefing system, and the lazy-jack kit, by boat length.View Selection Guide →
Harken Mastbase & Cabintop Block Selection GuideHarken part numbers for leading halyards aft from the mast (1, 3 or 6 halyards and over-the-top layouts) on small.View Selection Guide →
Harken Mainsheet Traveler Selection GuideHarken's standard mainsheet traveler layouts, from 2:1 cam-on-car to underdeck 6:1, with the car, end control, block.View Selection Guide →





