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Harken Lead Block Kit

Item #


Product Description

Harken Unit 1 MKIV Lead Block Kit

Harken recommends equipping every system with Carbo lead blocks for safe furling from the cockpit. The 7404 kit’s lightweight, UV-stabilized Carbo blocks run exclusively on ball bearings for fast trimming under any load. It provides a complete system for most boats.


  • Includes: 3 x 7403 / 1 x 7402 / 1 x 7401 / 1 cleat

  • Maximum line Ø: 3/8 in. (10 mm)

  • Weight: 19.2 oz. (544 g)

  • Use with: 1" (25mm) Stanchions