40MM CARBO AIR BLOCK W/SWIVEL, BECKET & CAM CLEAT

Harken 40mm Carbo Air Block with Swivel, Becket & Cam Cleat

The Harken 40mm Carbo Air Block with Swivel, Becket & Cam Cleat is a compact, lightweight block built for smooth line control with the added convenience of an integrated cleat. The swivel head helps the block align cleanly under load, while the becket allows for multi-part purchase systems and the cam cleat makes it easy to lock off line quickly.

This setup is a great option for control lines, small tackle systems, outrigger rigging, teaser adjustments, and custom marine rigging where you want smooth line movement with easy on-the-fly adjustment. Harken’s Carbo Air construction keeps the block light, strong, and dependable without adding unnecessary bulk.

Key Features

• Single 40mm sheave design
• Swivel head for cleaner line alignment
• Integrated becket for multi-part rigging
• Built-in cam cleat for quick line adjustment and holding
• Lightweight Carbo Air construction
• Smooth, low-friction performance
• Works with line up to 1/4"
• Great for control lines, tackle systems, teaser adjustments, outrigger rigging, and custom marine applications
• Manufacturer part number: 2646

Specs

• Sheave: 40mm / 1-9/16"
• Length: 102mm / 4"
• Weight: 4.3 oz / 122g
• Shackle Pin: 5/32" / 4mm
• Max Line Diameter: 1/4" / 6mm
• Max Working Load: 300 lb / 136kg
• Breaking Load: 600 lb / 272kg

The Harken 40mm Carbo Air Block with Swivel, Becket & Cam Cleat is a clean, compact rigging solution when you need smooth line handling, quick adjustment, and easy line control in one package.