Harken 16mm Double Block w/ Becket 407

Harken 16mm Double Block with Becket 407 – Maximum Purchase in a Minimal Footprint

The Harken 16mm Double Block with Becket (407) is a compact powerhouse designed for building efficient 3:1 or 4:1 purchase systems on small sailboats. Combining two ball-bearing sheaves with an integrated becket, this block is ideal for vangs, cunninghams, and downhauls on dinghies, skiffs, and foiling boats where performance and space efficiency are key.

The Delrin® sheaves rotate smoothly on stainless steel ball bearings, ensuring low-friction operation and quick responsiveness under load. The marine-grade stainless steel cheeks enhance strength while resisting corrosion in saltwater environments.

🔧 Key Features:

• Double 16mm Delrin® sheaves with stainless steel ball bearings

• Built-in becket for easy multi-purchase setups

• Max line diameter: 5mm

• Working load: 113kg | Breaking load: 544kg

• Weight: 16g

• Durable, corrosion-resistant stainless steel sideplates

Perfect for sailors needing powerful yet compact tackle systems, the Harken 407 delivers precise control and rugged reliability in all conditions.