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Harken 3.00" Mid-Range Single Block

Item #


Product Description

Harken 3.00" Mid-Range Single Block

Midrange blocks; robust construction makes them ideal to handle the high loads found on medium and large offshore boats.


  • Free-rolling Delrin ball bearings, sheave and sideplates UV-stabilized with carbon-black additive for maximum protection.

  • A stainless steel sidestrap wraps across the block head for increased strength and safety.

  • The wide-diameter 3.00 in (76 mm) ball bearing sheave accepts 9/16 in (14 mm) line.

  • High-load Midrange blocks use Torlon ball bearings.

  • Best for mainsheets, halyards, spinnaker sheets, and control lines.


  • Sheave dia. : 3in (76mm)

  • Length : 6 1/8in (156mm)

  • Weight : 13oz (367g)

  • Max. line dia. : 9/16in (14mm)

  • Shackle pin dia. : 5/16in (8mm)

  • SWL : 1800lb (816)

  • Breaking strength : 5000lb (2268kg)