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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:
| Color: | Blue, Purple, White |
| Size: | 20, 24 |
| Material: | 100% Polyester |
![Schaefer Single Aluminum Block - 51mm Sheave [504-05]](http://cdn.shopify.com/s/files/1/0430/2592/4255/products/74715XL_1024x1024.jpg?v=1629949093)
![Schaefer Single Aluminum Block - 51mm Sheave [504-05] - Marine Supplies US](http://cdn.shopify.com/s/files/1/0430/2592/4255/products/74715BXL_1024x1024.jpg?v=1629949093)
![Schaefer Single Aluminum Block - 51mm Sheave [504-05]](http://cdn.shopify.com/s/files/1/0430/2592/4255/products/74715XL_medium.jpg?v=1629949093)
![Schaefer Single Aluminum Block - 51mm Sheave [504-05] - Marine Supplies US](http://cdn.shopify.com/s/files/1/0430/2592/4255/products/74715BXL_medium.jpg?v=1629949093)
