40MM CARBO AIR BLOCK W/SWIVEL & CAM CLEAT

Harken 40mm Carbo Air Block with Swivel & Cam Cleat

The Harken 40mm Carbo Air Block with Swivel & Cam Cleat is a compact, lightweight block built for smooth line handling with quick, easy line control. The swivel head helps the block align naturally under load, while the integrated cam cleat lets you adjust and lock off line without adding separate hardware.

This block is a great option for control lines, teaser adjustments, small tackle systems, outrigger rigging, and custom marine applications where fast adjustment and clean line management matter. Harken’s Carbo Air construction keeps it light and efficient, while the cam cleat gives you simple, secure holding power when you need it.

Key Features

• Single 40mm sheave design
• Swivel head for cleaner line alignment
• Integrated cam cleat for quick line adjustment and holding
• Lightweight Carbo Air construction
• Smooth, low-friction performance
• Compact all-in-one rigging solution
• Works with line up to 1/4"
• Great for control lines, teaser adjustments, outrigger rigging, and custom marine applications
• Manufacturer part number: 2645

Specs

• Sheave: 40mm / 1-9/16"
• Length: 86mm / 3-3/8"
• Weight: 4.2 oz / 119g
• Shackle Pin: 5/32" / 4mm
• Max Line Diameter: 1/4" / 6mm
• Max Working Load: 150 lb / 68kg
• Breaking Load: 300 lb / 136kg

The Harken 40mm Carbo Air Block with Swivel & Cam Cleat is a clean, compact choice when you need smooth line movement, fast adjustment, and dependable holding power in one rigging package.