Harken 6231 45mm Element Single Block with Becket Swivel Locking Shackle

The Harken 6231 Element block features innovative sideplates that combine forged aluminum with compound curves for exceptional strength and durability. This 45mm single block with becket and swivel/locking shackle pairs minimal metal protection with a proven journal bearing system for reliable performance in demanding marine conditions.

Key Features:

• Forged aluminum sideplates with hardcoat-anodized finish for superior corrosion resistance
• Tough composite bearing sheave for long service life and smooth operation
• Integrated becket for additional line attachment
• Swivel and locking shackle for versatile rigging applications
• Contemporary design with robust construction

Specifications:

• Sheave diameter: 45mm (1-3/4")
• Overall length: 121mm (4-3/4")
• Weight: 115g (4.0 oz)
• Shackle pin: 6mm (1/4")
• Maximum line diameter: 12mm (1/2")
• Maximum working load: 700kg (1,543 lbs)
• Breaking load: 1,400kg (3,086 lbs)

Ideal for halyards, sheets, and control lines on sailboats where reliability and weight savings are critical.