![Schaefer Single Aluminum Block – 51mm Sheave [504-05]](https://www.bestmarinewiring.com/wp-content/uploads/2026/08/schaefer-single-aluminum-block-51mm-sheave-504-05.webp)
Description
Single Aluminum Block – 51mm Sheave
Single block with anodized aluminum cheeks. Delrin™ sheave ensures smooth operation with high safe working load. Swivel head may be locked in place to avoid twist.
Specifications:
- Sheave Dia. 2″ (51mm)
- Thickness 15/16″ (24mm)
- Width 2 1/8″ (54mm)
- Length 4 13/32″ (112mm)
- SWL 1750 lbs. (795kg)
- Weight 5oz. (142g)
- Max. Line size 7/16″ (11mm)
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