Harken 406 16mm Double Block with Ball Bearing

The Harken 16mm Double Block is engineered for small synthetic control lines on high-performance dinghies and small sailboats. This ultra-compact block delivers exceptional strength-to-weight performance, making it ideal for applications where weight savings are critical.

Advanced Bearing System: Features Harken's patented bearing system with stainless steel balls in a captive, grooved race. This design provides smooth operation under load while maintaining minimal weight.

Key Specifications:

• Sheave diameter: 5/8" (16mm) for efficient line routing
• Maximum line diameter: 7/32" (5mm)
• Maximum working load: 450 lbs (204 kg)
• Breaking load: 1,200 lbs (544 kg)
• Weight: 0.94 oz (27 g)
• Overall length: 1-11/16" (43mm)
• Polished 316 stainless steel top strap for corrosion resistance

The lightweight composite construction and precision engineering make this double block an excellent choice for control line systems where minimal weight and maximum efficiency are required. Suitable for halyards, control lines, and other applications on dinghies and small keelboats.