Single Aluminum Block – 60mm Sheave
Delrin™ sheave ensures smooth operation and a high safe working load. Swivel head may be locked in place to eliminate twisting.
Specifications:
- Sheave Diameter 2 3/8″ (60mm)
- Thickness 1 3/32″ (28mm)
- Width 2 1/2″ (64mm)
- Length 5 1/32″ (128mm)
- SWL 2250 lbs. (1020kg)
- Weight 7.4oz (210g)
- Max Line size 1/2″ (13mm)

![Ronstan Series 40 All Purpose Block - Triple - Swivel Head [RF41300]](https://www.greathardwaredepot.com/wp-content/uploads/2026/09/ronstan-series-40-all-purpose-block-triple-swivel-head-rf41300.webp)
![Ronstan Series 30 Ball Bearing Orbit Block - Double [RF35202]](https://www.greathardwaredepot.com/wp-content/uploads/2026/09/ronstan-series-30-ball-bearing-orbit-block-double-rf35202.webp)
![Ronstan Nylatron Sheave Box - Single Upright Lead Block [RF453]](https://www.greathardwaredepot.com/wp-content/uploads/2026/09/ronstan-nylatron-sheave-box-single-upright-lead-block-rf453.webp)

![Ronstan Series 40 Ball Bearing Block - Single Upright Lead [RF40171]](https://www.greathardwaredepot.com/wp-content/uploads/2026/09/ronstan-series-40-ball-bearing-block-single-upright-lead-rf40171.webp)
![Barton Marine Laser Replica 15:1 Boom Vang Assembly [98075]](https://www.greathardwaredepot.com/wp-content/uploads/2026/09/barton-marine-laser-replica-15-1-boom-vang-assembly-98075.webp)

