Harken's Flip-Flop low profile blocks are lightweight and can be used | in many places on the boat for halyards and sheets. The Flip-Flop block features hard-lube anodized | aluminum sheaves for strength and corrosion resistance. Flip-Flop blocks rotate around the line axis to keep the line close to the deck. Lock provides a temporary stop to release the winch. Sheave: Ø57 mm. Max line 10 mm. | Width: 57 mm. Height: 73 mm. Length: 111 mm. | Max. working load: 1,136 kg. Breaking strength 2,273 kg. | Weight: 317.8 g. | Screw spacing: Length: 93.6 mm. Width: 39.7 mm. | ESP is a series of blocks that complement the other | Harken series in design and function, but are simple in design | and construction. | The sheave features Carbon Delrin balls that take the light | load horizontally and laterally. At high static | loads, these are absorbed by the large stainless | center plain bearing. | ESP are ideal as mast foot blocks and are available in | many variants.
