Harken 45mm Single Element Block with Swivel - Durable Aluminum Construction for Sailing and Rigging

45mm Single Element Block with Swivel

Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Elements design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing. So size for size, Element is priced significantly lower, than our previously least expensive blocks.

Sideplates are hardcoat-anodized to resist corrosion. A tough composite bearing sheave resists corrosion for a long service life.

Specifications:

• Sheave: 45mm / 1-3/4in
• Length: 102mm / 4in
• Weight: 103g / 3.6oz
• Shackle pin: 6mm / 1/4in
• Maximum line: 12mm / 1/2in
• Maximum working load: 700kg / 1543lb
• Breaking load: 1400kg / 3086lb

The Harken 45mm Single Element Block with Swivel is a reliable and cost-effective solution designed for demanding sailing and rigging applications. Crafted with forged aluminum sideplates featuring compound curves, this block offers a combination of strength and contemporary design. The sideplates are hardcoat-anodized to provide excellent corrosion resistance, ensuring durability in harsh marine environments. The element design minimizes metal use while maintaining robustness, making this block lightweight yet strong. The proven journal bearing and composite sheave further enhance long-term performance and reliability.

This block features a 45mm (1-3/4 inch) sheave and a total length of approximately 4 inches, making it suitable for a variety of line sizes and rigging setups. The shackle pin is 1/4 inch in diameter, accommodating maximum line diameters of 1/2 inch. With a maximum working load of 1,543 pounds and a breaking load of 3,086 pounds, this block offers excellent safety margins for demanding applications. Its lightweight design, weighing just over 3.5 ounces, ensures minimal added weight to your rig while providing robust support.

Ideal for sailors and riggers seeking an affordable yet high-performance block, the Harken 45mm Single Element Block with Swivel combines innovation, strength, and corrosion resistance. Its design ensures smooth operation and long service life, even in challenging marine conditions. Whether upgrading existing systems or installing new setups, this block delivers dependable performance and value, backed by Harken's reputation for quality and engineering excellence.

Features:

• Sheave diameter: 45mm (1-3/4 inch)

• Total length: approximately 4 inches

• Weight: about 3.6 ounces

• Shackle pin diameter: 1/4 inch

• Maximum line diameter: 1/2 inch

• Maximum working load: 1,543 pounds (700kg)

• Breaking load: 3,086 pounds (1400kg)

• Sideplates: forged aluminum with hardcoat-anodized finish for corrosion resistance

• Sheave: composite material for durability and long service life

• Design: combines strength with efficient metal use

• Application: suitable for sailing, rigging, and other marine uses