Schaefer Marine Ball Bearing Block Single 506-05. Delrin ball bearing sheave ensures low-friction operation. Swivel head may be locked in place to avoid twist. Specifications for Schaefer Marine Single Ball Bearing Block: Manufacturer: Schaefer...
Schaefer Marine Ball Bearing Block Single 506-05. Delrin ball bearing sheave ensures low-friction operation. Swivel head may be locked in place to avoid twist. Specifications for Schaefer Marine Single Ball Bearing Block: Manufacturer: Schaefer...