Harken 40mm Carbo Air Double Swivel Block - Lightweight, High-Load Marine Block

40mm Carbo Air Double Swivel Block

Low-friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.

Specifications:

• Sheave (mm)40 mm
• Sheave (in)1 9/16 in
• Maximum line (mm)10 mm
• Maximum line (in)3/8 in
• Maximum working load (kg)440 kg
• Maximum working load (lb)970 lb

The Harken 40mm Carbo Air Double Swivel Block is a versatile and reliable component designed for sailing enthusiasts and professionals. Crafted from lightweight yet durable materials, this block offers exceptional strength and smooth operation, making it an ideal choice for various rigging applications. Its compact size combined with high working load capacity ensures safe and efficient trimming during demanding sailing conditions, providing both performance and reliability on the water.

Featuring a 40mm sheave and capable of handling lines up to 3/8 inch (10mm), this swivel block is compatible with a wide range of line setups and rig configurations. The double swivel design allows for easy maneuverability and positioning, reducing friction and enhancing overall performance. Its robust construction supports a maximum working load of 970 pounds (440 kg), ensuring safety during heavy-duty use. Designed to integrate seamlessly with Harken's Black Magic line, the Carbo Air block maintains a balance of affordability, strength, and lightweight design, making it an excellent addition to any sailboat's rigging system.

Engineered for durability and ease of use, the Harken 40mm Carbo Air Double Swivel Block is perfect for sailors seeking a high-quality, low-friction solution that withstands the rigors of marine environments. Whether used for main sheets, halyards, or control lines, this block delivers consistent performance and peace of mind, backed by Harken's reputation for quality and innovation.

Features:

• Sheave diameter: 40mm (1 9/16 inches)

• Maximum line size: 3/8 inch (10mm)

• Maximum working load: 970 pounds (440 kg)

• Double swivel design for easy maneuverability

• Lightweight yet strong construction

• Compatible with Harken Black Magic line

• Low-friction Carbo Air material for smooth operation