Harken 3226 57mm Black Magic Low-Load Single Block

The Harken 3226 is a 57mm Black Magic® Air Low-Load Single Block with Swivel, part of Harken's legendary Black Magic series trusted by big boat performance racers and cruisers worldwide. Engineered for sail control applications that see constant, high-cycle use, this block delivers smooth, free-running performance in a lightweight aluminum construction.

Key Features:

• Torlon® Roller Bearings — A precision center cage keeps Torlon® roller bearings separated and parallel, minimizing friction for effortless line movement
• Swivel Shackle Head — Locks in two directions or swivels freely to prevent line twist in dynamic rigging configurations
• Low-Load Configuration — Identified by red isolators; uses Torlon® rollers and a 316 stainless steel shackle for corrosion resistance
• Hard Lube-Anodized Finish — Sideplates and sheave are anodized for superior UV protection and long-term durability in marine environments
• Lightweight Aluminum Construction — Provides the strength-to-weight performance the Black Magic line is known for, without unnecessary bulk

Specifications:

• Sheave Diameter: 2-1/4" (57 mm)
• Weight: 5.4 oz (154 g)
• Max Line Diameter: 7/16" (12 mm)
• Max Working Load: 1,655 lbs (750 kg)
• Breaking Load: 3,300 lbs (1,500 kg)
• Shackle Pin Diameter: 1/4" (6 mm)
• Shackle Material: 316 Stainless Steel

Ideal for mainsheet, runner, halyard, and spinnaker systems where smooth, reliable performance is essential. The Harken 3226 is the go-to choice for sailors who demand race-proven hardware on less demanding load applications.