Harken's Cruising ESP Blocks complement Harken's existing sailing blocks in regard to looks and functionality, but have a simpler design and construction. The sheaves feature sleeve bearings to handle high static loads and are ideal for halyards or limited purchase systems on cruising blocks.
Technical Specifications:
| Sheave Diameter | 57mm | 75mm |
| Length | 93.5mm | 117mm |
| Weight | 122g | 221g |
| Maximum Line Diameter | 16mm | 19mm |
| Maximum Working Load | 850kg | 1361kg |
| Breaking Load | 1900kg | 2721kg |
| Clevis Pin Diameter | 8mm | 8mm |


