Harken ESP 57 mm mast foot block for mounting | in padeye.| Max. line: Ø16 mm. Length: 93.5 mm.| Aluminum sides.| With ball bearing for light loads and plain bearing| for heavy static loads.| Max. working load 850 kg. | Breaking strength 1,900 kg.| ESP is a series of blocks that complement the other| Harken series in design and function, but are simple in design | and construction. | The disc has Carbon Delrin balls that take the light | load horizontally and laterally. At high static | loads, these are taken up by the large stainless | center plain bearing. | ESP are ideal as mast foot blocks and are available in | many variants.
