![Schaefer Single Aluminum Block - 51mm Sheave [504-05]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/608x608/products/12628/15094/74715XL__85663.1715742698.jpg?c=1 "Schaefer Single Aluminum Block - 51mm Sheave [504-05]")
![Schaefer Single Aluminum Block - 51mm Sheave [504-05]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/1500x1500/products/12628/15094/74715XL__85663.1715742698.jpg?c=1&imbypass=on "Schaefer Single Aluminum Block - 51mm Sheave [504-05]")
![Schaefer Single Aluminum Block - 51mm Sheave [504-05]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/1500x1500/products/12628/15095/74715BXL__52997.1715742698.jpg?c=1&imbypass=on "Schaefer Single Aluminum Block - 51mm Sheave [504-05]")
![Schaefer Single Aluminum Block - 51mm Sheave [504-05]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/100x100/products/12628/15094/74715XL__85663.1715742698.jpg?c=1 "Schaefer Single Aluminum Block - 51mm Sheave [504-05]")
![Schaefer Single Aluminum Block - 51mm Sheave [504-05]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/100x100/products/12628/15095/74715BXL__52997.1715742698.jpg?c=1 "Schaefer Single Aluminum Block - 51mm Sheave [504-05]")
![Schaefer Single Stainless Steel Block - 51mm Sheave [505-05]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/12634/15106/74724XL__93941.1715742713.jpg?c=1 "Schaefer Single Stainless Steel Block - 51mm Sheave [505-05]")
Schaefer Single Stainless Steel Block - 51mm Sheave [505-05]
Schaefer Marine
DEAN-74724
$80.99
RRP:
$109.10
Single Stainless Steel Block - 51mm SheaveSingle block with stainless steel cheeks. Delrin™ sheave ensures smooth operation and high safe working load. Specifications:Sheave Dia. 2"...
![Schaefer Single Aluminum Block - 60mm Sheave [704-05]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/12642/15126/74737XL__78631.1715742735.jpg?c=1 "Schaefer Single Aluminum Block - 60mm Sheave [704-05]")
Schaefer Single Aluminum Block - 60mm Sheave [704-05]
Schaefer Marine
DEAN-74737
$104.99
RRP:
$142.35
Single Aluminum Block - 60mm SheaveDelrin™ sheave ensures smooth operation and a high safe working load. Swivel head may be locked in place to eliminate twisting. Specifications:Sheave Diameter...
![Schaefer Single Stainless Steel Block - 60mm Sheave [705-05]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/12645/15129/74741XL__33816.1715742742.jpg?c=1 "Schaefer Single Stainless Steel Block - 60mm Sheave [705-05]")
Schaefer Single Stainless Steel Block - 60mm Sheave [705-05]
Schaefer Marine
DEAN-74741
$136.99
RRP:
$185.55
Single Stainless Steel Block - 60mm SheaveDelrin™ sheave ensures low-friction and high safe working load. Swivel head may be locked in place to eliminate line twist. Specifications:Sheave Dia...
![Schaefer Single Ball Bearing Block [506-05]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/12637/15112/74731XL__24626.1715742720.jpg?c=1 "Schaefer Single Ball Bearing Block [506-05]")
Schaefer Single Ball Bearing Block [506-05]
Schaefer Marine
DEAN-74731
$96.99
RRP:
$130.65
Single Ball Bearing BlockSingle block with aluminum cheeks and ball bearing sheave. Delrin™ ball bearing sheave ensures low-friction operation. Swivel head may be locked in place to avoid twist...
![Harken Midrange Single w\/Aluminum Sheave Block [1542]](https://cdn11.bigcommerce.com/s-hbdnd2os5x/images/stencil/590x590/products/17867/22191/86871XL__27408.1715754938.jpg?c=1 "Harken Midrange Single w\/Aluminum Sheave Block [1542]")
Harken Midrange Single w/Aluminum Sheave Block [1542]
Harken
DEAN-86871
$191.95
RRP:
$217.95
Midrange Single with Aluminum Sheave BlockMidrange blocks’ robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on a ball...
