Midrange Single Block
Midrange blocks’ robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on a ball bearing system for fast trim and release under any load.
Features:
- Sheave: 76mm/3″
- Maximum Line: 14mm/9/16″
- Max Working Load: 1270kg/2800lbs


![Harken 40mm Carbo Block 90 Fixed Head [2659]](https://www.sailorgearcorner.com/wp-content/uploads/2026/10/harken-40mm-carbo-block-90-fixed-head-2659.webp)



![Harken Midrange Single w/Aluminum Sheave Block [1542]](https://www.sailorgearcorner.com/wp-content/uploads/2026/10/harken-midrange-single-w-aluminum-sheave-block-1542.webp)

