Carbo® T2™ Soft-Attach Blocks

The Harken Carbo® T2™ Soft-Attach Blocks have no metal shackles or rivets and are the lightest soft-attach blocks Harken has ever designed. The high strength soft-attach blocks are available in 18mm to 57mm sizes. The 18mm block features stainless steel ball bearings and an integrated stainless inner race and rivet for optimal strength-to-weight. The 29mm, 40mm, and 57mm blocks feature composite sheaves that spin freely on Derlin® ball bearings with curved bearing races. Use for traveler controls, mainsheets and vangs, cascades, bridles, and other systems where small lightweight blocks are called for.

All T2 blocks are lashed or spliced through the load bearing center of the block, decreasing loads on the sideplates and acting as a safety backup for the system.

T2™ Loop

The T2™ Loop’s on/off loop system slides through the block head and over the anchor post for a secure connection. A SK75 Dyneema® loop is included. Replacement loops available.


T2™ blocks come in single and double configurations and can be tied, spliced, or lashed to almost anything. T2 doubles feature composite line guides that are integrated into the block head. They keep the block aligned correctly by pushing the lashing line to the outer edges of the block's head.

A length of Spectra® line is included.

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