![Affordable Harken 40mm Carbo Air Double Swivel Block [2638]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/affordable-harken-40mm-carbo-air-double-swivel-block-2638.webp)
Description
Product Overview
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 Ø (mm)40 mm
- Sheave Ø (in)1 9/16 in
- Maximum line Ø (mm)10 mm
- Maximum line Ø (in)3/8 in
- Maximum working load (kg)440 kg
- Maximum working load (lb)970 lb
Quick Guide (pdf)
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