Description
Clamp-On Furling Line Stanchion Lead Block – 1″ Ball Bearing
Delrin™ ball bearing sheave allows for quick and easy furling line adjustment. Stainless steel cage and strap ensure durability.
Specifications:
- Stanchions 1″ (25mm) in diameter
- 1-7/16″ (37mm) Sheave Diameter
- Maximum 1/2″ (12mm) line size
- Safe Working Load = 1000 lbs (450kg)


![Harken 29mm Triple Carbo Air Block w/Swivel [344]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/harken-29mm-triple-carbo-air-block-w-swivel-344.webp)
![Harken 22mm Fiddle Micro Block w/V-Jam [244]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/harken-22mm-fiddle-micro-block-w-v-jam-244.webp)
![Harken 29mm Double Carbo Air Block [381]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/harken-29mm-double-carbo-air-block-381.webp)
![Harken 16mm Double Block w/Becket [407]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/harken-16mm-double-block-w-becket-407.webp)
![Harken 45mm Double Element Block w/Swivel [6238]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/harken-45mm-double-element-block-w-swivel-6238.webp)
![Harken 16mm Double Block [406]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/harken-16mm-double-block-406.webp)
![Harken 22mm Triple Micro Block [228]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/harken-22mm-triple-micro-block-228.webp)
![Ronstan Series 40 All Purpose Block - Single Cheek [RF41811]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/ronstan-series-40-all-purpose-block-single-cheek-rf41811.webp)