6073
75mm SS ESP Mast Collar Block
Cruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearings to handle high static loads and are ideal for halyards or limited purchase systems on cruising boats.
Technical specifications · Harken 6073
| Sheave diameter | 75 mm |
|---|---|
| Length | 117 mm |
| Weight | 454 g |
| Shackle pin diameter | 8 mm |
| Maximum line diameter | 19 mm |
| Maximum working load | 1361 kg |
| Breaking load | 2722 kg |
The lock-off is intended for temporary holding and does not replace a cleat or rope clutch.
In stacked installations, the upper block is rated at two thirds of the stated maximum working and breaking loads.