Harken 408 16mm Triple Block with Ball Bearing System

The Harken 408 16mm Triple Block represents Harken's smallest block design, featuring sheaves that are only 5/8" (16mm) in diameter. This ultra-compact triple block combines remarkable strength with minimal weight, making it ideal for high-performance sailing applications.

Engineered with a unique patented bearing system, this block uses stainless steel balls in a captive, grooved race to deliver smooth operation and exceptional load capacity. The polished 316 stainless steel top strap provides superior corrosion resistance and durability in marine environments.

Key Features:

• Triple sheave configuration for 6:1 mechanical advantage systems
• Patented ball bearing system with captive, grooved race design
• Polished 316 stainless steel top strap for maximum corrosion resistance
• Exceptionally high strength-to-weight ratio
• Optimized for small synthetic control lines on high-tech dinghies and sailboats

Specifications:

• Sheave Diameter: 5/8" (16mm)
• Maximum Line Diameter: 7/32" (5mm)
• Maximum Working Load: 700 lbs (318 kg)
• Breaking Load: 1,200 lbs (544 kg)
• Weight: 1.44 oz (41g)
• Length: 1 13/16" (46mm)

Perfect for small boat control systems, cunninghams, outhauls, and other applications where weight savings and compact size are critical without compromising performance or safety.